Microsoft stopped publishing sales numbers when the gap kept growing, legal documents seem to confirm the expected doubled up ratio.
https://gameluster.com/court-documen...f-ps4-numbers/
The information can be found on page 18 of the Microsoft court papers dated Aug. 9, 2022. The translated line reads “Sony has surpassed Microsoft in terms of console sales and install base, having sold more than twice as many [than] Xbox in the last generation”
Sony recently released their final PS4 sales figures, confirming 117.2 million sales of the console line, making it the second biggest home console of all time. This means the Xbox One consoles must have sold less than approximately 58.5 million units
Ampere Analysis data predicted 51 million sales of the Xbox One line of consoles in 2020, and it appears they were right.