Home / 132,858,082.90-199,318,617.15-68,171,871.70

Finding the Fourth Proportional to 132,858,082.90, 199,318,617.15 and 68,171,871.70

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Solution

The fourth proportional to 132,858,082.90, 199,318,617.15 and 68,171,871.70 is: 102,273,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858,082.90 : 199,318,617.15 = 68,171,871.70 : x
  2. Step 2: Convert to fraction form
    132,858,082.90/199,318,617.15 = 68,171,871.70/x
  3. Step 3: Cross multiply
    132,858,082.90x = 199,318,617.15 × 68,171,871.70
  4. Step 4: Simplify right side
    132,858,082.90x = 13,587,923,195,771,220
  5. Step 5: Solve for x
    x = 13,587,923,195,771,220/132,858,082.90
  6. Step 6: Final answer
    x = 102,273,967.07

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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.