Home / 156,785,010.78-216,375,432.03-94,063,469.10

Finding the Fourth Proportional to 156,785,010.78, 216,375,432.03 and 94,063,469.10

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Solution

The fourth proportional to 156,785,010.78, 216,375,432.03 and 94,063,469.10 is: 129,814,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785,010.78 : 216,375,432.03 = 94,063,469.10 : x
  2. Step 2: Convert to fraction form
    156,785,010.78/216,375,432.03 = 94,063,469.10/x
  3. Step 3: Cross multiply
    156,785,010.78x = 216,375,432.03 × 94,063,469.10
  4. Step 4: Simplify right side
    156,785,010.78x = 20,353,023,764,753,056
  5. Step 5: Solve for x
    x = 20,353,023,764,753,056/156,785,010.78
  6. Step 6: Final answer
    x = 129,814,857.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.