Home / 69,354,221.72-95,708,824.22-38,416,383.90

Finding the Fourth Proportional to 69,354,221.72, 95,708,824.22 and 38,416,383.90

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Solution

The fourth proportional to 69,354,221.72, 95,708,824.22 and 38,416,383.90 is: 53,014,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,354,221.72 : 95,708,824.22 = 38,416,383.90 : x
  2. Step 2: Convert to fraction form
    69,354,221.72/95,708,824.22 = 38,416,383.90/x
  3. Step 3: Cross multiply
    69,354,221.72x = 95,708,824.22 × 38,416,383.90
  4. Step 4: Simplify right side
    69,354,221.72x = 3,676,786,933,949,178.50
  5. Step 5: Solve for x
    x = 3,676,786,933,949,178.50/69,354,221.72
  6. Step 6: Final answer
    x = 53,014,608.82

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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.