Home / 209,726,791.62-314,680,906.02-112,568,997.07

Finding the Fourth Proportional to 209,726,791.62, 314,680,906.02 and 112,568,997.07

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Solution

The fourth proportional to 209,726,791.62, 314,680,906.02 and 112,568,997.07 is: 168,902,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,726,791.62 : 314,680,906.02 = 112,568,997.07 : x
  2. Step 2: Convert to fraction form
    209,726,791.62/314,680,906.02 = 112,568,997.07/x
  3. Step 3: Cross multiply
    209,726,791.62x = 314,680,906.02 × 112,568,997.07
  4. Step 4: Simplify right side
    209,726,791.62x = 35,423,313,988,565,812
  5. Step 5: Solve for x
    x = 35,423,313,988,565,812/209,726,791.62
  6. Step 6: Final answer
    x = 168,902,188.01

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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.