Finding the Fourth Proportional to 76,002,627.68, 104,894,832.80 and 48,127,882.92
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Solution
The fourth proportional to 76,002,627.68, 104,894,832.80 and 48,127,882.92 is: 66,423,574.89
Step by Step Solution
- Step 1: Write the proportion equation
76,002,627.68 : 104,894,832.80 = 48,127,882.92 : x - Step 2: Convert to fraction form
76,002,627.68/104,894,832.80 = 48,127,882.92/x - Step 3: Cross multiply
76,002,627.68x = 104,894,832.80 × 48,127,882.92 - Step 4: Simplify right side
76,002,627.68x = 5,048,366,231,911,376 - Step 5: Solve for x
x = 5,048,366,231,911,376/76,002,627.68 - Step 6: Final answer
x = 66,423,574.89
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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.