Finding the Fourth Proportional to 53,859,916.80, 74,327,276.16 and 29,414,350.08
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Solution
The fourth proportional to 53,859,916.80, 74,327,276.16 and 29,414,350.08 is: 40,592,125.86
Step by Step Solution
- Step 1: Write the proportion equation
53,859,916.80 : 74,327,276.16 = 29,414,350.08 : x - Step 2: Convert to fraction form
53,859,916.80/74,327,276.16 = 29,414,350.08/x - Step 3: Cross multiply
53,859,916.80x = 74,327,276.16 × 29,414,350.08 - Step 4: Simplify right side
53,859,916.80x = 2,186,288,521,463,077.75 - Step 5: Solve for x
x = 2,186,288,521,463,077.75/53,859,916.80 - Step 6: Final answer
x = 40,592,125.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.