Home / 161,856,138.10-242,784,207.15-143,149,414.90

Finding the Fourth Proportional to 161,856,138.10, 242,784,207.15 and 143,149,414.90

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Solution

The fourth proportional to 161,856,138.10, 242,784,207.15 and 143,149,414.90 is: 214,724,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,856,138.10 : 242,784,207.15 = 143,149,414.90 : x
  2. Step 2: Convert to fraction form
    161,856,138.10/242,784,207.15 = 143,149,414.90/x
  3. Step 3: Cross multiply
    161,856,138.10x = 242,784,207.15 × 143,149,414.90
  4. Step 4: Simplify right side
    161,856,138.10x = 34,754,417,200,482,900
  5. Step 5: Solve for x
    x = 34,754,417,200,482,900/161,856,138.10
  6. Step 6: Final answer
    x = 214,724,122.35

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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.