Home / 324,028,286.98-485,987,609.82-90,805,322.39

Finding the Fourth Proportional to 324,028,286.98, 485,987,609.82 and 90,805,322.39

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Solution

The fourth proportional to 324,028,286.98, 485,987,609.82 and 90,805,322.39 is: 136,192,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,028,286.98 : 485,987,609.82 = 90,805,322.39 : x
  2. Step 2: Convert to fraction form
    324,028,286.98/485,987,609.82 = 90,805,322.39/x
  3. Step 3: Cross multiply
    324,028,286.98x = 485,987,609.82 × 90,805,322.39
  4. Step 4: Simplify right side
    324,028,286.98x = 44,130,261,588,676,264
  5. Step 5: Solve for x
    x = 44,130,261,588,676,264/324,028,286.98
  6. Step 6: Final answer
    x = 136,192,620.71

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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.