Home / 129,240,010.80-193,860,016.20-124,138,177.20

Finding the Fourth Proportional to 129,240,010.80, 193,860,016.20 and 124,138,177.20

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Solution

The fourth proportional to 129,240,010.80, 193,860,016.20 and 124,138,177.20 is: 186,207,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,240,010.80 : 193,860,016.20 = 124,138,177.20 : x
  2. Step 2: Convert to fraction form
    129,240,010.80/193,860,016.20 = 124,138,177.20/x
  3. Step 3: Cross multiply
    129,240,010.80x = 193,860,016.20 × 124,138,177.20
  4. Step 4: Simplify right side
    129,240,010.80x = 24,065,429,043,030,468
  5. Step 5: Solve for x
    x = 24,065,429,043,030,468/129,240,010.80
  6. Step 6: Final answer
    x = 186,207,265.80

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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.