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Finding the Fourth Proportional to 63,857,793.80, 95,799,132.30 and 25,512,782.60

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Solution

The fourth proportional to 63,857,793.80, 95,799,132.30 and 25,512,782.60 is: 38,274,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,857,793.80 : 95,799,132.30 = 25,512,782.60 : x
  2. Step 2: Convert to fraction form
    63,857,793.80/95,799,132.30 = 25,512,782.60/x
  3. Step 3: Cross multiply
    63,857,793.80x = 95,799,132.30 × 25,512,782.60
  4. Step 4: Simplify right side
    63,857,793.80x = 2,444,102,435,638,538
  5. Step 5: Solve for x
    x = 2,444,102,435,638,538/63,857,793.80
  6. Step 6: Final answer
    x = 38,274,144.63

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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.