Home / 142,820,843.20-214,687,910.40-132,711,654.40

Finding the Fourth Proportional to 142,820,843.20, 214,687,910.40 and 132,711,654.40

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Solution

The fourth proportional to 142,820,843.20, 214,687,910.40 and 132,711,654.40 is: 199,491,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,820,843.20 : 214,687,910.40 = 132,711,654.40 : x
  2. Step 2: Convert to fraction form
    142,820,843.20/214,687,910.40 = 132,711,654.40/x
  3. Step 3: Cross multiply
    142,820,843.20x = 214,687,910.40 × 132,711,654.40
  4. Step 4: Simplify right side
    142,820,843.20x = 28,491,587,768,862,968
  5. Step 5: Solve for x
    x = 28,491,587,768,862,968/142,820,843.20
  6. Step 6: Final answer
    x = 199,491,804.77

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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.