Home / 165,018,629.50-227,727,521.22-90,679,209.28

Finding the Fourth Proportional to 165,018,629.50, 227,727,521.22 and 90,679,209.28

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Solution

The fourth proportional to 165,018,629.50, 227,727,521.22 and 90,679,209.28 is: 125,138,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,018,629.50 : 227,727,521.22 = 90,679,209.28 : x
  2. Step 2: Convert to fraction form
    165,018,629.50/227,727,521.22 = 90,679,209.28/x
  3. Step 3: Cross multiply
    165,018,629.50x = 227,727,521.22 × 90,679,209.28
  4. Step 4: Simplify right side
    165,018,629.50x = 20,650,151,555,524,020
  5. Step 5: Solve for x
    x = 20,650,151,555,524,020/165,018,629.50
  6. Step 6: Final answer
    x = 125,138,304.80

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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.