Home / 67,128,876-100,747,122.24-34,790,024.16

Finding the Fourth Proportional to 67,128,876, 100,747,122.24 and 34,790,024.16

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Solution

The fourth proportional to 67,128,876, 100,747,122.24 and 34,790,024.16 is: 52,212,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128,876 : 100,747,122.24 = 34,790,024.16 : x
  2. Step 2: Convert to fraction form
    67,128,876/100,747,122.24 = 34,790,024.16/x
  3. Step 3: Cross multiply
    67,128,876x = 100,747,122.24 × 34,790,024.16
  4. Step 4: Simplify right side
    67,128,876x = 3,504,994,816,780,073
  5. Step 5: Solve for x
    x = 3,504,994,816,780,073/67,128,876
  6. Step 6: Final answer
    x = 52,212,922.75

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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.