Home / 204,274,129.50-281,568,991.05-138,170,520.90

Finding the Fourth Proportional to 204,274,129.50, 281,568,991.05 and 138,170,520.90

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Solution

The fourth proportional to 204,274,129.50, 281,568,991.05 and 138,170,520.90 is: 190,452,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,274,129.50 : 281,568,991.05 = 138,170,520.90 : x
  2. Step 2: Convert to fraction form
    204,274,129.50/281,568,991.05 = 138,170,520.90/x
  3. Step 3: Cross multiply
    204,274,129.50x = 281,568,991.05 × 138,170,520.90
  4. Step 4: Simplify right side
    204,274,129.50x = 38,904,534,162,665,944
  5. Step 5: Solve for x
    x = 38,904,534,162,665,944/204,274,129.50
  6. Step 6: Final answer
    x = 190,452,575.95

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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.