Home / 279,278,146.56-418,983,160.32-87,801,922.56

Finding the Fourth Proportional to 279,278,146.56, 418,983,160.32 and 87,801,922.56

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Solution

The fourth proportional to 279,278,146.56, 418,983,160.32 and 87,801,922.56 is: 131,723,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,278,146.56 : 418,983,160.32 = 87,801,922.56 : x
  2. Step 2: Convert to fraction form
    279,278,146.56/418,983,160.32 = 87,801,922.56/x
  3. Step 3: Cross multiply
    279,278,146.56x = 418,983,160.32 × 87,801,922.56
  4. Step 4: Simplify right side
    279,278,146.56x = 36,787,526,996,360,704
  5. Step 5: Solve for x
    x = 36,787,526,996,360,704/279,278,146.56
  6. Step 6: Final answer
    x = 131,723,614.79

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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.