Finding the Fourth Proportional to 117,431,035.20, 176,146,552.80 and 68,932,123.20
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Solution
The fourth proportional to 117,431,035.20, 176,146,552.80 and 68,932,123.20 is: 103,398,184.80
Step by Step Solution
- Step 1: Write the proportion equation
117,431,035.20 : 176,146,552.80 = 68,932,123.20 : x - Step 2: Convert to fraction form
117,431,035.20/176,146,552.80 = 68,932,123.20/x - Step 3: Cross multiply
117,431,035.20x = 176,146,552.80 × 68,932,123.20 - Step 4: Simplify right side
117,431,035.20x = 12,142,155,878,864,906 - Step 5: Solve for x
x = 12,142,155,878,864,906/117,431,035.20 - Step 6: Final answer
x = 103,398,184.80
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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.