Finding the Fourth Proportional to 54,183,639.20, 74,773,470.99 and 29,403,826.29
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Solution
The fourth proportional to 54,183,639.20, 74,773,470.99 and 29,403,826.29 is: 40,577,306.81
Step by Step Solution
- Step 1: Write the proportion equation
54,183,639.20 : 74,773,470.99 = 29,403,826.29 : x - Step 2: Convert to fraction form
54,183,639.20/74,773,470.99 = 29,403,826.29/x - Step 3: Cross multiply
54,183,639.20x = 74,773,470.99 × 29,403,826.29 - Step 4: Simplify right side
54,183,639.20x = 2,198,626,151,943,295 - Step 5: Solve for x
x = 2,198,626,151,943,295/54,183,639.20 - Step 6: Final answer
x = 40,577,306.81
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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.