Home / 215,519,344-323,281,817.52-71,912,176

Finding the Fourth Proportional to 215,519,344, 323,281,817.52 and 71,912,176

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Solution

The fourth proportional to 215,519,344, 323,281,817.52 and 71,912,176 is: 107,869,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,519,344 : 323,281,817.52 = 71,912,176 : x
  2. Step 2: Convert to fraction form
    215,519,344/323,281,817.52 = 71,912,176/x
  3. Step 3: Cross multiply
    215,519,344x = 323,281,817.52 × 71,912,176
  4. Step 4: Simplify right side
    215,519,344x = 23,247,898,959,098,124
  5. Step 5: Solve for x
    x = 23,247,898,959,098,124/215,519,344
  6. Step 6: Final answer
    x = 107,869,198.78

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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.