Home / 231,620,178.27-347,324,318.19-138,289,515.87

Finding the Fourth Proportional to 231,620,178.27, 347,324,318.19 and 138,289,515.87

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Solution

The fourth proportional to 231,620,178.27, 347,324,318.19 and 138,289,515.87 is: 207,371,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,620,178.27 : 347,324,318.19 = 138,289,515.87 : x
  2. Step 2: Convert to fraction form
    231,620,178.27/347,324,318.19 = 138,289,515.87/x
  3. Step 3: Cross multiply
    231,620,178.27x = 347,324,318.19 × 138,289,515.87
  4. Step 4: Simplify right side
    231,620,178.27x = 48,031,311,812,372,936
  5. Step 5: Solve for x
    x = 48,031,311,812,372,936/231,620,178.27
  6. Step 6: Final answer
    x = 207,371,016.51

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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.