Home / 132,214,790.70-198,322,186.05-80,482,617.90

Finding the Fourth Proportional to 132,214,790.70, 198,322,186.05 and 80,482,617.90

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Solution

The fourth proportional to 132,214,790.70, 198,322,186.05 and 80,482,617.90 is: 120,723,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,214,790.70 : 198,322,186.05 = 80,482,617.90 : x
  2. Step 2: Convert to fraction form
    132,214,790.70/198,322,186.05 = 80,482,617.90/x
  3. Step 3: Cross multiply
    132,214,790.70x = 198,322,186.05 × 80,482,617.90
  4. Step 4: Simplify right side
    132,214,790.70x = 15,961,488,720,954,862
  5. Step 5: Solve for x
    x = 15,961,488,720,954,862/132,214,790.70
  6. Step 6: Final answer
    x = 120,723,926.85

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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.