Home / 252,251,203.20-378,389,246.40-131,318,851.20

Finding the Fourth Proportional to 252,251,203.20, 378,389,246.40 and 131,318,851.20

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Solution

The fourth proportional to 252,251,203.20, 378,389,246.40 and 131,318,851.20 is: 196,984,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,251,203.20 : 378,389,246.40 = 131,318,851.20 : x
  2. Step 2: Convert to fraction form
    252,251,203.20/378,389,246.40 = 131,318,851.20/x
  3. Step 3: Cross multiply
    252,251,203.20x = 378,389,246.40 × 131,318,851.20
  4. Step 4: Simplify right side
    252,251,203.20x = 49,689,641,143,681,736
  5. Step 5: Solve for x
    x = 49,689,641,143,681,736/252,251,203.20
  6. Step 6: Final answer
    x = 196,984,753.74

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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.