Home / 168,159,398.89-232,059,867.83-90,897,062.89

Finding the Fourth Proportional to 168,159,398.89, 232,059,867.83 and 90,897,062.89

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Solution

The fourth proportional to 168,159,398.89, 232,059,867.83 and 90,897,062.89 is: 125,437,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,159,398.89 : 232,059,867.83 = 90,897,062.89 : x
  2. Step 2: Convert to fraction form
    168,159,398.89/232,059,867.83 = 90,897,062.89/x
  3. Step 3: Cross multiply
    168,159,398.89x = 232,059,867.83 × 90,897,062.89
  4. Step 4: Simplify right side
    168,159,398.89x = 21,093,560,399,934,112
  5. Step 5: Solve for x
    x = 21,093,560,399,934,112/168,159,398.89
  6. Step 6: Final answer
    x = 125,437,891.31

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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.