Home / 149,067,769.20-205,718,425.20-82,093,868.52

Finding the Fourth Proportional to 149,067,769.20, 205,718,425.20 and 82,093,868.52

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Solution

The fourth proportional to 149,067,769.20, 205,718,425.20 and 82,093,868.52 is: 113,292,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,067,769.20 : 205,718,425.20 = 82,093,868.52 : x
  2. Step 2: Convert to fraction form
    149,067,769.20/205,718,425.20 = 82,093,868.52/x
  3. Step 3: Cross multiply
    149,067,769.20x = 205,718,425.20 × 82,093,868.52
  4. Step 4: Simplify right side
    149,067,769.20x = 16,888,221,350,510,252
  5. Step 5: Solve for x
    x = 16,888,221,350,510,252/149,067,769.20
  6. Step 6: Final answer
    x = 113,292,239.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.