Home / 90,944,754.56-125,505,450.24-49,694,318.72

Finding the Fourth Proportional to 90,944,754.56, 125,505,450.24 and 49,694,318.72

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Solution

The fourth proportional to 90,944,754.56, 125,505,450.24 and 49,694,318.72 is: 68,579,082.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,944,754.56 : 125,505,450.24 = 49,694,318.72 : x
  2. Step 2: Convert to fraction form
    90,944,754.56/125,505,450.24 = 49,694,318.72/x
  3. Step 3: Cross multiply
    90,944,754.56x = 125,505,450.24 × 49,694,318.72
  4. Step 4: Simplify right side
    90,944,754.56x = 6,236,907,845,323,660
  5. Step 5: Solve for x
    x = 6,236,907,845,323,660/90,944,754.56
  6. Step 6: Final answer
    x = 68,579,082.71

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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.