Home / 168,204,082.06-252,305,064.32-90,517,579.98

Finding the Fourth Proportional to 168,204,082.06, 252,305,064.32 and 90,517,579.98

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Solution

The fourth proportional to 168,204,082.06, 252,305,064.32 and 90,517,579.98 is: 135,775,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,204,082.06 : 252,305,064.32 = 90,517,579.98 : x
  2. Step 2: Convert to fraction form
    168,204,082.06/252,305,064.32 = 90,517,579.98/x
  3. Step 3: Cross multiply
    168,204,082.06x = 252,305,064.32 × 90,517,579.98
  4. Step 4: Simplify right side
    168,204,082.06x = 22,838,043,838,944,644
  5. Step 5: Solve for x
    x = 22,838,043,838,944,644/168,204,082.06
  6. Step 6: Final answer
    x = 135,775,800.20

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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.