Home / 75,448,049.40-113,172,074.10-68,273,595.90

Finding the Fourth Proportional to 75,448,049.40, 113,172,074.10 and 68,273,595.90

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Solution

The fourth proportional to 75,448,049.40, 113,172,074.10 and 68,273,595.90 is: 102,410,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,448,049.40 : 113,172,074.10 = 68,273,595.90 : x
  2. Step 2: Convert to fraction form
    75,448,049.40/113,172,074.10 = 68,273,595.90/x
  3. Step 3: Cross multiply
    75,448,049.40x = 113,172,074.10 × 68,273,595.90
  4. Step 4: Simplify right side
    75,448,049.40x = 7,726,664,454,268,256
  5. Step 5: Solve for x
    x = 7,726,664,454,268,256/75,448,049.40
  6. Step 6: Final answer
    x = 102,410,393.85

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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.