Home / 281,770,720.62-388,799,743.33-161,066,985.08

Finding the Fourth Proportional to 281,770,720.62, 388,799,743.33 and 161,066,985.08

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Solution

The fourth proportional to 281,770,720.62, 388,799,743.33 and 161,066,985.08 is: 222,247,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,770,720.62 : 388,799,743.33 = 161,066,985.08 : x
  2. Step 2: Convert to fraction form
    281,770,720.62/388,799,743.33 = 161,066,985.08/x
  3. Step 3: Cross multiply
    281,770,720.62x = 388,799,743.33 × 161,066,985.08
  4. Step 4: Simplify right side
    281,770,720.62x = 62,622,802,458,040,944
  5. Step 5: Solve for x
    x = 62,622,802,458,040,944/281,770,720.62
  6. Step 6: Final answer
    x = 222,247,373.04

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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.