Home / 323,715,098.88-485,499,414.87-148,669,849.62

Finding the Fourth Proportional to 323,715,098.88, 485,499,414.87 and 148,669,849.62

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Solution

The fourth proportional to 323,715,098.88, 485,499,414.87 and 148,669,849.62 is: 222,971,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,715,098.88 : 485,499,414.87 = 148,669,849.62 : x
  2. Step 2: Convert to fraction form
    323,715,098.88/485,499,414.87 = 148,669,849.62/x
  3. Step 3: Cross multiply
    323,715,098.88x = 485,499,414.87 × 148,669,849.62
  4. Step 4: Simplify right side
    323,715,098.88x = 72,179,124,999,320,896
  5. Step 5: Solve for x
    x = 72,179,124,999,320,896/323,715,098.88
  6. Step 6: Final answer
    x = 222,971,141.13

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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.