Home / 165,504,821.82-228,393,863.76-91,172,335.60

Finding the Fourth Proportional to 165,504,821.82, 228,393,863.76 and 91,172,335.60

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Solution

The fourth proportional to 165,504,821.82, 228,393,863.76 and 91,172,335.60 is: 125,816,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,504,821.82 : 228,393,863.76 = 91,172,335.60 : x
  2. Step 2: Convert to fraction form
    165,504,821.82/228,393,863.76 = 91,172,335.60/x
  3. Step 3: Cross multiply
    165,504,821.82x = 228,393,863.76 × 91,172,335.60
  4. Step 4: Simplify right side
    165,504,821.82x = 20,823,201,995,707,396
  5. Step 5: Solve for x
    x = 20,823,201,995,707,396/165,504,821.82
  6. Step 6: Final answer
    x = 125,816,286.00

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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.