Home / 168,509,908.70-252,764,863.05-149,378,032.70

Finding the Fourth Proportional to 168,509,908.70, 252,764,863.05 and 149,378,032.70

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Solution

The fourth proportional to 168,509,908.70, 252,764,863.05 and 149,378,032.70 is: 224,067,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,509,908.70 : 252,764,863.05 = 149,378,032.70 : x
  2. Step 2: Convert to fraction form
    168,509,908.70/252,764,863.05 = 149,378,032.70/x
  3. Step 3: Cross multiply
    168,509,908.70x = 252,764,863.05 × 149,378,032.70
  4. Step 4: Simplify right side
    168,509,908.70x = 37,757,517,978,093,920
  5. Step 5: Solve for x
    x = 37,757,517,978,093,920/168,509,908.70
  6. Step 6: Final answer
    x = 224,067,049.05

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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.