Home / 114,978,637.78-158,671,164.81-65,419,010.43

Finding the Fourth Proportional to 114,978,637.78, 158,671,164.81 and 65,419,010.43

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Solution

The fourth proportional to 114,978,637.78, 158,671,164.81 and 65,419,010.43 is: 90,278,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,978,637.78 : 158,671,164.81 = 65,419,010.43 : x
  2. Step 2: Convert to fraction form
    114,978,637.78/158,671,164.81 = 65,419,010.43/x
  3. Step 3: Cross multiply
    114,978,637.78x = 158,671,164.81 × 65,419,010.43
  4. Step 4: Simplify right side
    114,978,637.78x = 10,380,110,585,645,640
  5. Step 5: Solve for x
    x = 10,380,110,585,645,640/114,978,637.78
  6. Step 6: Final answer
    x = 90,278,601.19

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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.