Home / 69,693,819.20-96,173,520.18-38,753,324.24

Finding the Fourth Proportional to 69,693,819.20, 96,173,520.18 and 38,753,324.24

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Solution

The fourth proportional to 69,693,819.20, 96,173,520.18 and 38,753,324.24 is: 53,477,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693,819.20 : 96,173,520.18 = 38,753,324.24 : x
  2. Step 2: Convert to fraction form
    69,693,819.20/96,173,520.18 = 38,753,324.24/x
  3. Step 3: Cross multiply
    69,693,819.20x = 96,173,520.18 × 38,753,324.24
  4. Step 4: Simplify right side
    69,693,819.20x = 3,727,043,610,837,723.50
  5. Step 5: Solve for x
    x = 3,727,043,610,837,723.50/69,693,819.20
  6. Step 6: Final answer
    x = 53,477,390.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.