Home / 149,787,925.80-206,689,435.28-82,797,834.56

Finding the Fourth Proportional to 149,787,925.80, 206,689,435.28 and 82,797,834.56

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Solution

The fourth proportional to 149,787,925.80, 206,689,435.28 and 82,797,834.56 is: 114,251,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,787,925.80 : 206,689,435.28 = 82,797,834.56 : x
  2. Step 2: Convert to fraction form
    149,787,925.80/206,689,435.28 = 82,797,834.56/x
  3. Step 3: Cross multiply
    149,787,925.80x = 206,689,435.28 × 82,797,834.56
  4. Step 4: Simplify right side
    149,787,925.80x = 17,113,437,667,613,268
  5. Step 5: Solve for x
    x = 17,113,437,667,613,268/149,787,925.80
  6. Step 6: Final answer
    x = 114,251,115.88

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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.