Finding the Fourth Proportional to 68,776,773.12, 103,080,129.12 and 34,707,862.08
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Solution
The fourth proportional to 68,776,773.12, 103,080,129.12 and 34,707,862.08 is: 52,018,882.86
Step by Step Solution
- Step 1: Write the proportion equation
68,776,773.12 : 103,080,129.12 = 34,707,862.08 : x - Step 2: Convert to fraction form
68,776,773.12/103,080,129.12 = 34,707,862.08/x - Step 3: Cross multiply
68,776,773.12x = 103,080,129.12 × 34,707,862.08 - Step 4: Simplify right side
68,776,773.12x = 3,577,690,904,685,552 - Step 5: Solve for x
x = 3,577,690,904,685,552/68,776,773.12 - Step 6: Final answer
x = 52,018,882.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.