Home / 252,499,441.26-378,414,332.19-129,672,797.34

Finding the Fourth Proportional to 252,499,441.26, 378,414,332.19 and 129,672,797.34

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Solution

The fourth proportional to 252,499,441.26, 378,414,332.19 and 129,672,797.34 is: 194,337,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,499,441.26 : 378,414,332.19 = 129,672,797.34 : x
  2. Step 2: Convert to fraction form
    252,499,441.26/378,414,332.19 = 129,672,797.34/x
  3. Step 3: Cross multiply
    252,499,441.26x = 378,414,332.19 × 129,672,797.34
  4. Step 4: Simplify right side
    252,499,441.26x = 49,070,045,007,976,944
  5. Step 5: Solve for x
    x = 49,070,045,007,976,944/252,499,441.26
  6. Step 6: Final answer
    x = 194,337,241.95

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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.