Home / 143,856,002.60-215,784,003.90-131,951,724.20

Finding the Fourth Proportional to 143,856,002.60, 215,784,003.90 and 131,951,724.20

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Solution

The fourth proportional to 143,856,002.60, 215,784,003.90 and 131,951,724.20 is: 197,927,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,002.60 : 215,784,003.90 = 131,951,724.20 : x
  2. Step 2: Convert to fraction form
    143,856,002.60/215,784,003.90 = 131,951,724.20/x
  3. Step 3: Cross multiply
    143,856,002.60x = 215,784,003.90 × 131,951,724.20
  4. Step 4: Simplify right side
    143,856,002.60x = 28,473,071,369,384,524
  5. Step 5: Solve for x
    x = 28,473,071,369,384,524/143,856,002.60
  6. Step 6: Final answer
    x = 197,927,586.30

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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.