Finding the Fourth Proportional to 77,375,691.92, 106,778,454.18 and 42,567,635.36
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Solution
The fourth proportional to 77,375,691.92, 106,778,454.18 and 42,567,635.36 is: 58,743,336.43
Step by Step Solution
- Step 1: Write the proportion equation
77,375,691.92 : 106,778,454.18 = 42,567,635.36 : x - Step 2: Convert to fraction form
77,375,691.92/106,778,454.18 = 42,567,635.36/x - Step 3: Cross multiply
77,375,691.92x = 106,778,454.18 × 42,567,635.36 - Step 4: Simplify right side
77,375,691.92x = 4,545,306,301,838,708 - Step 5: Solve for x
x = 4,545,306,301,838,708/77,375,691.92 - Step 6: Final answer
x = 58,743,336.43
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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.