Home / 143,856,280.60-215,784,420.90-131,952,002.20

Finding the Fourth Proportional to 143,856,280.60, 215,784,420.90 and 131,952,002.20

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Solution

The fourth proportional to 143,856,280.60, 215,784,420.90 and 131,952,002.20 is: 197,928,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,280.60 : 215,784,420.90 = 131,952,002.20 : x
  2. Step 2: Convert to fraction form
    143,856,280.60/215,784,420.90 = 131,952,002.20/x
  3. Step 3: Cross multiply
    143,856,280.60x = 215,784,420.90 × 131,952,002.20
  4. Step 4: Simplify right side
    143,856,280.60x = 28,473,186,381,322,528
  5. Step 5: Solve for x
    x = 28,473,186,381,322,528/143,856,280.60
  6. Step 6: Final answer
    x = 197,928,003.30

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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.