Home / 252,451,229.85-378,676,844.78-79,941,544.65

Finding the Fourth Proportional to 252,451,229.85, 378,676,844.78 and 79,941,544.65

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Solution

The fourth proportional to 252,451,229.85, 378,676,844.78 and 79,941,544.65 is: 119,912,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,451,229.85 : 378,676,844.78 = 79,941,544.65 : x
  2. Step 2: Convert to fraction form
    252,451,229.85/378,676,844.78 = 79,941,544.65/x
  3. Step 3: Cross multiply
    252,451,229.85x = 378,676,844.78 × 79,941,544.65
  4. Step 4: Simplify right side
    252,451,229.85x = 30,272,011,894,501,784
  5. Step 5: Solve for x
    x = 30,272,011,894,501,784/252,451,229.85
  6. Step 6: Final answer
    x = 119,912,316.98

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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.