Home / 135,694,332.96-203,027,882-80,391,870.24

Finding the Fourth Proportional to 135,694,332.96, 203,027,882 and 80,391,870.24

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Solution

The fourth proportional to 135,694,332.96, 203,027,882 and 80,391,870.24 is: 120,283,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,694,332.96 : 203,027,882 = 80,391,870.24 : x
  2. Step 2: Convert to fraction form
    135,694,332.96/203,027,882 = 80,391,870.24/x
  3. Step 3: Cross multiply
    135,694,332.96x = 203,027,882 × 80,391,870.24
  4. Step 4: Simplify right side
    135,694,332.96x = 16,321,791,144,846,030
  5. Step 5: Solve for x
    x = 16,321,791,144,846,030/135,694,332.96
  6. Step 6: Final answer
    x = 120,283,513.61

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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.