Home / 42,129,499.60-63,194,249.40-38,844,917.20

Finding the Fourth Proportional to 42,129,499.60, 63,194,249.40 and 38,844,917.20

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Solution

The fourth proportional to 42,129,499.60, 63,194,249.40 and 38,844,917.20 is: 58,267,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129,499.60 : 63,194,249.40 = 38,844,917.20 : x
  2. Step 2: Convert to fraction form
    42,129,499.60/63,194,249.40 = 38,844,917.20/x
  3. Step 3: Cross multiply
    42,129,499.60x = 63,194,249.40 × 38,844,917.20
  4. Step 4: Simplify right side
    42,129,499.60x = 2,454,775,385,459,150
  5. Step 5: Solve for x
    x = 2,454,775,385,459,150/42,129,499.60
  6. Step 6: Final answer
    x = 58,267,375.80

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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.