Home / 279,487,346.85-419,231,020.28-95,462,614.58

Finding the Fourth Proportional to 279,487,346.85, 419,231,020.28 and 95,462,614.58

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Solution

The fourth proportional to 279,487,346.85, 419,231,020.28 and 95,462,614.58 is: 143,193,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,487,346.85 : 419,231,020.28 = 95,462,614.58 : x
  2. Step 2: Convert to fraction form
    279,487,346.85/419,231,020.28 = 95,462,614.58/x
  3. Step 3: Cross multiply
    279,487,346.85x = 419,231,020.28 × 95,462,614.58
  4. Step 4: Simplify right side
    279,487,346.85x = 40,020,889,306,396,336
  5. Step 5: Solve for x
    x = 40,020,889,306,396,336/279,487,346.85
  6. Step 6: Final answer
    x = 143,193,921.86

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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.