Home / 129,344,909.10-194,017,363.65-64,658,697.90

Finding the Fourth Proportional to 129,344,909.10, 194,017,363.65 and 64,658,697.90

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Solution

The fourth proportional to 129,344,909.10, 194,017,363.65 and 64,658,697.90 is: 96,988,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,909.10 : 194,017,363.65 = 64,658,697.90 : x
  2. Step 2: Convert to fraction form
    129,344,909.10/194,017,363.65 = 64,658,697.90/x
  3. Step 3: Cross multiply
    129,344,909.10x = 194,017,363.65 × 64,658,697.90
  4. Step 4: Simplify right side
    129,344,909.10x = 12,544,910,103,599,792
  5. Step 5: Solve for x
    x = 12,544,910,103,599,792/129,344,909.10
  6. Step 6: Final answer
    x = 96,988,046.85

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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.