Finding the Fourth Proportional to 66,575,129.37, 91,876,515.89 and 37,206,461.09
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Solution
The fourth proportional to 66,575,129.37, 91,876,515.89 and 37,206,461.09 is: 51,346,501.99
Step by Step Solution
- Step 1: Write the proportion equation
66,575,129.37 : 91,876,515.89 = 37,206,461.09 : x - Step 2: Convert to fraction form
66,575,129.37/91,876,515.89 = 37,206,461.09/x - Step 3: Cross multiply
66,575,129.37x = 91,876,515.89 × 37,206,461.09 - Step 4: Simplify right side
66,575,129.37x = 3,418,400,012,900,637 - Step 5: Solve for x
x = 3,418,400,012,900,637/66,575,129.37 - Step 6: Final answer
x = 51,346,501.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.