Home / 85,741,404.12-118,322,635.68-50,479,703.28

Finding the Fourth Proportional to 85,741,404.12, 118,322,635.68 and 50,479,703.28

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Solution

The fourth proportional to 85,741,404.12, 118,322,635.68 and 50,479,703.28 is: 69,661,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741,404.12 : 118,322,635.68 = 50,479,703.28 : x
  2. Step 2: Convert to fraction form
    85,741,404.12/118,322,635.68 = 50,479,703.28/x
  3. Step 3: Cross multiply
    85,741,404.12x = 118,322,635.68 × 50,479,703.28
  4. Step 4: Simplify right side
    85,741,404.12x = 5,972,891,540,433,942
  5. Step 5: Solve for x
    x = 5,972,891,540,433,942/85,741,404.12
  6. Step 6: Final answer
    x = 69,661,694.97

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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.