so a-47=b
so total value =113 times 1,000,000=113,000,000=a+b
subtitute a-47=b into equation
a+a-47=113,000,000
add 47 to both sides
2a=113,000,047
divide both sides by 2
$56,500,023.5=a or roughly 56.5 million
a-47=b
56,500,032.5-47=b
56,499,976.5=b
so 56,500,023.5=a
56,499,976.5=b
