Home / 304,719,355.14-420,515,180.82-165,491,113.56

Finding the Fourth Proportional to 304,719,355.14, 420,515,180.82 and 165,491,113.56

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Solution

The fourth proportional to 304,719,355.14, 420,515,180.82 and 165,491,113.56 is: 228,379,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,719,355.14 : 420,515,180.82 = 165,491,113.56 : x
  2. Step 2: Convert to fraction form
    304,719,355.14/420,515,180.82 = 165,491,113.56/x
  3. Step 3: Cross multiply
    304,719,355.14x = 420,515,180.82 × 165,491,113.56
  4. Step 4: Simplify right side
    304,719,355.14x = 69,591,525,542,786,552
  5. Step 5: Solve for x
    x = 69,591,525,542,786,552/304,719,355.14
  6. Step 6: Final answer
    x = 228,379,078.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.