Home / 202,786,891.09-279,845,984.09-109,967,374.33

Finding the Fourth Proportional to 202,786,891.09, 279,845,984.09 and 109,967,374.33

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Solution

The fourth proportional to 202,786,891.09, 279,845,984.09 and 109,967,374.33 is: 151,755,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,786,891.09 : 279,845,984.09 = 109,967,374.33 : x
  2. Step 2: Convert to fraction form
    202,786,891.09/279,845,984.09 = 109,967,374.33/x
  3. Step 3: Cross multiply
    202,786,891.09x = 279,845,984.09 × 109,967,374.33
  4. Step 4: Simplify right side
    202,786,891.09x = 30,773,928,086,747,556
  5. Step 5: Solve for x
    x = 30,773,928,086,747,556/202,786,891.09
  6. Step 6: Final answer
    x = 151,755,016.91

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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.