Home / 160,585,906.22-221,608,550.57-90,971,287.11

Finding the Fourth Proportional to 160,585,906.22, 221,608,550.57 and 90,971,287.11

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Solution

The fourth proportional to 160,585,906.22, 221,608,550.57 and 90,971,287.11 is: 125,540,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,585,906.22 : 221,608,550.57 = 90,971,287.11 : x
  2. Step 2: Convert to fraction form
    160,585,906.22/221,608,550.57 = 90,971,287.11/x
  3. Step 3: Cross multiply
    160,585,906.22x = 221,608,550.57 × 90,971,287.11
  4. Step 4: Simplify right side
    160,585,906.22x = 20,160,015,078,371,524
  5. Step 5: Solve for x
    x = 20,160,015,078,371,524/160,585,906.22
  6. Step 6: Final answer
    x = 125,540,376.19

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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.