Home / 178,243,650.92-267,428,732.52-79,867,623.26

Finding the Fourth Proportional to 178,243,650.92, 267,428,732.52 and 79,867,623.26

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Solution

The fourth proportional to 178,243,650.92, 267,428,732.52 and 79,867,623.26 is: 119,829,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,243,650.92 : 267,428,732.52 = 79,867,623.26 : x
  2. Step 2: Convert to fraction form
    178,243,650.92/267,428,732.52 = 79,867,623.26/x
  3. Step 3: Cross multiply
    178,243,650.92x = 267,428,732.52 × 79,867,623.26
  4. Step 4: Simplify right side
    178,243,650.92x = 21,358,897,257,806,672
  5. Step 5: Solve for x
    x = 21,358,897,257,806,672/178,243,650.92
  6. Step 6: Final answer
    x = 119,829,778.78

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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.