Home / 129,600,391.80-194,428,581.30-38,733,166.20

Finding the Fourth Proportional to 129,600,391.80, 194,428,581.30 and 38,733,166.20

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Solution

The fourth proportional to 129,600,391.80, 194,428,581.30 and 38,733,166.20 is: 58,108,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,600,391.80 : 194,428,581.30 = 38,733,166.20 : x
  2. Step 2: Convert to fraction form
    129,600,391.80/194,428,581.30 = 38,733,166.20/x
  3. Step 3: Cross multiply
    129,600,391.80x = 194,428,581.30 × 38,733,166.20
  4. Step 4: Simplify right side
    129,600,391.80x = 7,530,834,553,523,113
  5. Step 5: Solve for x
    x = 7,530,834,553,523,113/129,600,391.80
  6. Step 6: Final answer
    x = 58,108,115.64

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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.