Home / 305,948,163.62-422,206,128.33-166,718,494.82

Finding the Fourth Proportional to 305,948,163.62, 422,206,128.33 and 166,718,494.82

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Solution

The fourth proportional to 305,948,163.62, 422,206,128.33 and 166,718,494.82 is: 230,070,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,948,163.62 : 422,206,128.33 = 166,718,494.82 : x
  2. Step 2: Convert to fraction form
    305,948,163.62/422,206,128.33 = 166,718,494.82/x
  3. Step 3: Cross multiply
    305,948,163.62x = 422,206,128.33 × 166,718,494.82
  4. Step 4: Simplify right side
    305,948,163.62x = 70,389,570,218,957,352
  5. Step 5: Solve for x
    x = 70,389,570,218,957,352/305,948,163.62
  6. Step 6: Final answer
    x = 230,070,249.11

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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.