Home / 252,499,440.76-378,414,331.44-129,672,796.84

Finding the Fourth Proportional to 252,499,440.76, 378,414,331.44 and 129,672,796.84

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Solution

The fourth proportional to 252,499,440.76, 378,414,331.44 and 129,672,796.84 is: 194,337,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,499,440.76 : 378,414,331.44 = 129,672,796.84 : x
  2. Step 2: Convert to fraction form
    252,499,440.76/378,414,331.44 = 129,672,796.84/x
  3. Step 3: Cross multiply
    252,499,440.76x = 378,414,331.44 × 129,672,796.84
  4. Step 4: Simplify right side
    252,499,440.76x = 49,070,044,720,731,232
  5. Step 5: Solve for x
    x = 49,070,044,720,731,232/252,499,440.76
  6. Step 6: Final answer
    x = 194,337,241.20

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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.