Home / 132,013,082.60-198,019,623.90-77,451,806.60

Finding the Fourth Proportional to 132,013,082.60, 198,019,623.90 and 77,451,806.60

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Solution

The fourth proportional to 132,013,082.60, 198,019,623.90 and 77,451,806.60 is: 116,177,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,013,082.60 : 198,019,623.90 = 77,451,806.60 : x
  2. Step 2: Convert to fraction form
    132,013,082.60/198,019,623.90 = 77,451,806.60/x
  3. Step 3: Cross multiply
    132,013,082.60x = 198,019,623.90 × 77,451,806.60
  4. Step 4: Simplify right side
    132,013,082.60x = 15,336,977,613,307,538
  5. Step 5: Solve for x
    x = 15,336,977,613,307,538/132,013,082.60
  6. Step 6: Final answer
    x = 116,177,709.90

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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.