Home / 87,428,897.39-131,134,359.33-29,130,278.96

Finding the Fourth Proportional to 87,428,897.39, 131,134,359.33 and 29,130,278.96

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Solution

The fourth proportional to 87,428,897.39, 131,134,359.33 and 29,130,278.96 is: 43,692,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,428,897.39 : 131,134,359.33 = 29,130,278.96 : x
  2. Step 2: Convert to fraction form
    87,428,897.39/131,134,359.33 = 29,130,278.96/x
  3. Step 3: Cross multiply
    87,428,897.39x = 131,134,359.33 × 29,130,278.96
  4. Step 4: Simplify right side
    87,428,897.39x = 3,819,980,468,523,779
  5. Step 5: Solve for x
    x = 3,819,980,468,523,779/87,428,897.39
  6. Step 6: Final answer
    x = 43,692,424.16

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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.