Home / 281,110,864.33-387,936,954.66-161,967,609.55

Finding the Fourth Proportional to 281,110,864.33, 387,936,954.66 and 161,967,609.55

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Solution

The fourth proportional to 281,110,864.33, 387,936,954.66 and 161,967,609.55 is: 223,517,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,110,864.33 : 387,936,954.66 = 161,967,609.55 : x
  2. Step 2: Convert to fraction form
    281,110,864.33/387,936,954.66 = 161,967,609.55/x
  3. Step 3: Cross multiply
    281,110,864.33x = 387,936,954.66 × 161,967,609.55
  4. Step 4: Simplify right side
    281,110,864.33x = 62,833,221,202,386,944
  5. Step 5: Solve for x
    x = 62,833,221,202,386,944/281,110,864.33
  6. Step 6: Final answer
    x = 223,517,583.90

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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.