Home / 57,948,908.32-79,970,129.97-31,843,432.90

Finding the Fourth Proportional to 57,948,908.32, 79,970,129.97 and 31,843,432.90

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Solution

The fourth proportional to 57,948,908.32, 79,970,129.97 and 31,843,432.90 is: 43,944,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,948,908.32 : 79,970,129.97 = 31,843,432.90 : x
  2. Step 2: Convert to fraction form
    57,948,908.32/79,970,129.97 = 31,843,432.90/x
  3. Step 3: Cross multiply
    57,948,908.32x = 79,970,129.97 × 31,843,432.90
  4. Step 4: Simplify right side
    57,948,908.32x = 2,546,523,467,304,123.50
  5. Step 5: Solve for x
    x = 2,546,523,467,304,123.50/57,948,908.32
  6. Step 6: Final answer
    x = 43,944,287.15

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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.