Home / 83,669,122.80-125,503,684.20-83,190,825.90

Finding the Fourth Proportional to 83,669,122.80, 125,503,684.20 and 83,190,825.90

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Solution

The fourth proportional to 83,669,122.80, 125,503,684.20 and 83,190,825.90 is: 124,786,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669,122.80 : 125,503,684.20 = 83,190,825.90 : x
  2. Step 2: Convert to fraction form
    83,669,122.80/125,503,684.20 = 83,190,825.90/x
  3. Step 3: Cross multiply
    83,669,122.80x = 125,503,684.20 × 83,190,825.90
  4. Step 4: Simplify right side
    83,669,122.80x = 10,440,755,142,090,782
  5. Step 5: Solve for x
    x = 10,440,755,142,090,782/83,669,122.80
  6. Step 6: Final answer
    x = 124,786,238.85

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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.