Home / 165,207,706.34-227,986,751.16-90,873,921.92

Finding the Fourth Proportional to 165,207,706.34, 227,986,751.16 and 90,873,921.92

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Solution

The fourth proportional to 165,207,706.34, 227,986,751.16 and 90,873,921.92 is: 125,406,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,207,706.34 : 227,986,751.16 = 90,873,921.92 : x
  2. Step 2: Convert to fraction form
    165,207,706.34/227,986,751.16 = 90,873,921.92/x
  3. Step 3: Cross multiply
    165,207,706.34x = 227,986,751.16 × 90,873,921.92
  4. Step 4: Simplify right side
    165,207,706.34x = 20,718,050,222,568,376
  5. Step 5: Solve for x
    x = 20,718,050,222,568,376/165,207,706.34
  6. Step 6: Final answer
    x = 125,406,076.28

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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.