Home / 252,469,630.80-378,704,446.20-131,285,336.40

Finding the Fourth Proportional to 252,469,630.80, 378,704,446.20 and 131,285,336.40

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Solution

The fourth proportional to 252,469,630.80, 378,704,446.20 and 131,285,336.40 is: 196,928,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,469,630.80 : 378,704,446.20 = 131,285,336.40 : x
  2. Step 2: Convert to fraction form
    252,469,630.80/378,704,446.20 = 131,285,336.40/x
  3. Step 3: Cross multiply
    252,469,630.80x = 378,704,446.20 × 131,285,336.40
  4. Step 4: Simplify right side
    252,469,630.80x = 49,718,340,615,542,704
  5. Step 5: Solve for x
    x = 49,718,340,615,542,704/252,469,630.80
  6. Step 6: Final answer
    x = 196,928,004.60

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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.