Home / 142,820,840.20-214,687,905.90-132,711,651.40

Finding the Fourth Proportional to 142,820,840.20, 214,687,905.90 and 132,711,651.40

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Solution

The fourth proportional to 142,820,840.20, 214,687,905.90 and 132,711,651.40 is: 199,491,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,820,840.20 : 214,687,905.90 = 132,711,651.40 : x
  2. Step 2: Convert to fraction form
    142,820,840.20/214,687,905.90 = 132,711,651.40/x
  3. Step 3: Cross multiply
    142,820,840.20x = 214,687,905.90 × 132,711,651.40
  4. Step 4: Simplify right side
    142,820,840.20x = 28,491,586,527,596,804
  5. Step 5: Solve for x
    x = 28,491,586,527,596,804/142,820,840.20
  6. Step 6: Final answer
    x = 199,491,800.27

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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.