Home / 83,414,232.30-125,121,348.45-80,013,009.90

Finding the Fourth Proportional to 83,414,232.30, 125,121,348.45 and 80,013,009.90

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Solution

The fourth proportional to 83,414,232.30, 125,121,348.45 and 80,013,009.90 is: 120,019,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,414,232.30 : 125,121,348.45 = 80,013,009.90 : x
  2. Step 2: Convert to fraction form
    83,414,232.30/125,121,348.45 = 80,013,009.90/x
  3. Step 3: Cross multiply
    83,414,232.30x = 125,121,348.45 × 80,013,009.90
  4. Step 4: Simplify right side
    83,414,232.30x = 10,011,335,692,231,200
  5. Step 5: Solve for x
    x = 10,011,335,692,231,200/83,414,232.30
  6. Step 6: Final answer
    x = 120,019,514.85

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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.