Home / 142,820,839.20-214,687,904.40-132,711,650.40

Finding the Fourth Proportional to 142,820,839.20, 214,687,904.40 and 132,711,650.40

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Solution

The fourth proportional to 142,820,839.20, 214,687,904.40 and 132,711,650.40 is: 199,491,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,820,839.20 : 214,687,904.40 = 132,711,650.40 : x
  2. Step 2: Convert to fraction form
    142,820,839.20/214,687,904.40 = 132,711,650.40/x
  3. Step 3: Cross multiply
    142,820,839.20x = 214,687,904.40 × 132,711,650.40
  4. Step 4: Simplify right side
    142,820,839.20x = 28,491,586,113,841,424
  5. Step 5: Solve for x
    x = 28,491,586,113,841,424/142,820,839.20
  6. Step 6: Final answer
    x = 199,491,798.77

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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.