Home / 89,159,396.49-123,040,983.20-49,467,659.85

Finding the Fourth Proportional to 89,159,396.49, 123,040,983.20 and 49,467,659.85

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Solution

The fourth proportional to 89,159,396.49, 123,040,983.20 and 49,467,659.85 is: 68,265,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,159,396.49 : 123,040,983.20 = 49,467,659.85 : x
  2. Step 2: Convert to fraction form
    89,159,396.49/123,040,983.20 = 49,467,659.85/x
  3. Step 3: Cross multiply
    89,159,396.49x = 123,040,983.20 × 49,467,659.85
  4. Step 4: Simplify right side
    89,159,396.49x = 6,086,549,504,299,826
  5. Step 5: Solve for x
    x = 6,086,549,504,299,826/89,159,396.49
  6. Step 6: Final answer
    x = 68,265,934.31

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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.