Home / 69,664,149.30-96,138,375.48-38,303,520.78

Finding the Fourth Proportional to 69,664,149.30, 96,138,375.48 and 38,303,520.78

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Solution

The fourth proportional to 69,664,149.30, 96,138,375.48 and 38,303,520.78 is: 52,859,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,664,149.30 : 96,138,375.48 = 38,303,520.78 : x
  2. Step 2: Convert to fraction form
    69,664,149.30/96,138,375.48 = 38,303,520.78/x
  3. Step 3: Cross multiply
    69,664,149.30x = 96,138,375.48 × 38,303,520.78
  4. Step 4: Simplify right side
    69,664,149.30x = 3,682,438,262,953,622.50
  5. Step 5: Solve for x
    x = 3,682,438,262,953,622.50/69,664,149.30
  6. Step 6: Final answer
    x = 52,859,875.56

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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.