Home / 88,209,115.20-132,313,672.80-84,861,036.90

Finding the Fourth Proportional to 88,209,115.20, 132,313,672.80 and 84,861,036.90

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Solution

The fourth proportional to 88,209,115.20, 132,313,672.80 and 84,861,036.90 is: 127,291,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,209,115.20 : 132,313,672.80 = 84,861,036.90 : x
  2. Step 2: Convert to fraction form
    88,209,115.20/132,313,672.80 = 84,861,036.90/x
  3. Step 3: Cross multiply
    88,209,115.20x = 132,313,672.80 × 84,861,036.90
  4. Step 4: Simplify right side
    88,209,115.20x = 11,228,275,469,855,326
  5. Step 5: Solve for x
    x = 11,228,275,469,855,326/88,209,115.20
  6. Step 6: Final answer
    x = 127,291,555.35

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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.