Home / 132,096,584.20-198,144,876.30-120,192,305.80

Finding the Fourth Proportional to 132,096,584.20, 198,144,876.30 and 120,192,305.80

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Solution

The fourth proportional to 132,096,584.20, 198,144,876.30 and 120,192,305.80 is: 180,288,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,096,584.20 : 198,144,876.30 = 120,192,305.80 : x
  2. Step 2: Convert to fraction form
    132,096,584.20/198,144,876.30 = 120,192,305.80/x
  3. Step 3: Cross multiply
    132,096,584.20x = 198,144,876.30 × 120,192,305.80
  4. Step 4: Simplify right side
    132,096,584.20x = 23,815,489,564,952,772
  5. Step 5: Solve for x
    x = 23,815,489,564,952,772/132,096,584.20
  6. Step 6: Final answer
    x = 180,288,458.70

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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.