Home / 87,740,753.28-131,638,034.88-39,259,415.04

Finding the Fourth Proportional to 87,740,753.28, 131,638,034.88 and 39,259,415.04

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Solution

The fourth proportional to 87,740,753.28, 131,638,034.88 and 39,259,415.04 is: 58,901,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,740,753.28 : 131,638,034.88 = 39,259,415.04 : x
  2. Step 2: Convert to fraction form
    87,740,753.28/131,638,034.88 = 39,259,415.04/x
  3. Step 3: Cross multiply
    87,740,753.28x = 131,638,034.88 × 39,259,415.04
  4. Step 4: Simplify right side
    87,740,753.28x = 5,168,032,246,403,916
  5. Step 5: Solve for x
    x = 5,168,032,246,403,916/87,740,753.28
  6. Step 6: Final answer
    x = 58,901,161.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.