Finding the Fourth Proportional to 66,572,374.98, 91,861,921.02 and 36,799,001.13
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Solution
The fourth proportional to 66,572,374.98, 91,861,921.02 and 36,799,001.13 is: 50,778,223.50
Step by Step Solution
- Step 1: Write the proportion equation
66,572,374.98 : 91,861,921.02 = 36,799,001.13 : x - Step 2: Convert to fraction form
66,572,374.98/91,861,921.02 = 36,799,001.13/x - Step 3: Cross multiply
66,572,374.98x = 91,861,921.02 × 36,799,001.13 - Step 4: Simplify right side
66,572,374.98x = 3,380,426,935,418,951 - Step 5: Solve for x
x = 3,380,426,935,418,951/66,572,374.98 - Step 6: Final answer
x = 50,778,223.50
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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.