Home / 132,416,091.20-198,652,725.68-40,307,031.92

Finding the Fourth Proportional to 132,416,091.20, 198,652,725.68 and 40,307,031.92

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Solution

The fourth proportional to 132,416,091.20, 198,652,725.68 and 40,307,031.92 is: 60,469,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416,091.20 : 198,652,725.68 = 40,307,031.92 : x
  2. Step 2: Convert to fraction form
    132,416,091.20/198,652,725.68 = 40,307,031.92/x
  3. Step 3: Cross multiply
    132,416,091.20x = 198,652,725.68 × 40,307,031.92
  4. Step 4: Simplify right side
    132,416,091.20x = 8,007,101,754,978,764
  5. Step 5: Solve for x
    x = 8,007,101,754,978,764/132,416,091.20
  6. Step 6: Final answer
    x = 60,469,250.24

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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.