Home / 279,278,151.56-418,983,167.82-87,801,927.56

Finding the Fourth Proportional to 279,278,151.56, 418,983,167.82 and 87,801,927.56

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Solution

The fourth proportional to 279,278,151.56, 418,983,167.82 and 87,801,927.56 is: 131,723,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,278,151.56 : 418,983,167.82 = 87,801,927.56 : x
  2. Step 2: Convert to fraction form
    279,278,151.56/418,983,167.82 = 87,801,927.56/x
  3. Step 3: Cross multiply
    279,278,151.56x = 418,983,167.82 × 87,801,927.56
  4. Step 4: Simplify right side
    279,278,151.56x = 36,787,529,749,790,960
  5. Step 5: Solve for x
    x = 36,787,529,749,790,960/279,278,151.56
  6. Step 6: Final answer
    x = 131,723,622.29

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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.