Home / 129,832,607.82-194,439,801.12-75,129,876.66

Finding the Fourth Proportional to 129,832,607.82, 194,439,801.12 and 75,129,876.66

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Solution

The fourth proportional to 129,832,607.82, 194,439,801.12 and 75,129,876.66 is: 112,515,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,832,607.82 : 194,439,801.12 = 75,129,876.66 : x
  2. Step 2: Convert to fraction form
    129,832,607.82/194,439,801.12 = 75,129,876.66/x
  3. Step 3: Cross multiply
    129,832,607.82x = 194,439,801.12 × 75,129,876.66
  4. Step 4: Simplify right side
    129,832,607.82x = 14,608,238,275,940,530
  5. Step 5: Solve for x
    x = 14,608,238,275,940,530/129,832,607.82
  6. Step 6: Final answer
    x = 112,515,942.81

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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.