https://en.wikipedia.org/wiki/Football_pitch
While FIFA recommends a specific size for pro teams, a legal pitch can have widths range from 46 to 91 metres and lengths of 91 to 119 metres. That’s a possible ratio range of 1:1 to 1:2.58.
I could imagine that stadium upgrades have meant that pitches don’t have as much variation as in the past too.