Home / 72,024,132.92-99,393,308.29-39,429,084.92

Finding the Fourth Proportional to 72,024,132.92, 99,393,308.29 and 39,429,084.92

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Solution

The fourth proportional to 72,024,132.92, 99,393,308.29 and 39,429,084.92 is: 54,412,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,024,132.92 : 99,393,308.29 = 39,429,084.92 : x
  2. Step 2: Convert to fraction form
    72,024,132.92/99,393,308.29 = 39,429,084.92/x
  3. Step 3: Cross multiply
    72,024,132.92x = 99,393,308.29 × 39,429,084.92
  4. Step 4: Simplify right side
    72,024,132.92x = 3,918,987,193,196,060.50
  5. Step 5: Solve for x
    x = 3,918,987,193,196,060.50/72,024,132.92
  6. Step 6: Final answer
    x = 54,412,139.85

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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.