Home / 129,452,344.62-194,177,187.84-74,830,174.38

Finding the Fourth Proportional to 129,452,344.62, 194,177,187.84 and 74,830,174.38

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Solution

The fourth proportional to 129,452,344.62, 194,177,187.84 and 74,830,174.38 is: 112,244,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,452,344.62 : 194,177,187.84 = 74,830,174.38 : x
  2. Step 2: Convert to fraction form
    129,452,344.62/194,177,187.84 = 74,830,174.38/x
  3. Step 3: Cross multiply
    129,452,344.62x = 194,177,187.84 × 74,830,174.38
  4. Step 4: Simplify right side
    129,452,344.62x = 14,530,312,826,685,214
  5. Step 5: Solve for x
    x = 14,530,312,826,685,214/129,452,344.62
  6. Step 6: Final answer
    x = 112,244,493.29

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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.