Home / 87,412,512.30-131,166,007.65-38,897,853.90

Finding the Fourth Proportional to 87,412,512.30, 131,166,007.65 and 38,897,853.90

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Solution

The fourth proportional to 87,412,512.30, 131,166,007.65 and 38,897,853.90 is: 58,367,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,412,512.30 : 131,166,007.65 = 38,897,853.90 : x
  2. Step 2: Convert to fraction form
    87,412,512.30/131,166,007.65 = 38,897,853.90/x
  3. Step 3: Cross multiply
    87,412,512.30x = 131,166,007.65 × 38,897,853.90
  4. Step 4: Simplify right side
    87,412,512.30x = 5,102,076,202,215,982
  5. Step 5: Solve for x
    x = 5,102,076,202,215,982/87,412,512.30
  6. Step 6: Final answer
    x = 58,367,801.91

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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.