Home / 158,644,414.31-218,777,144.96-102,071,419.61

Finding the Fourth Proportional to 158,644,414.31, 218,777,144.96 and 102,071,419.61

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Solution

The fourth proportional to 158,644,414.31, 218,777,144.96 and 102,071,419.61 is: 140,760,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,644,414.31 : 218,777,144.96 = 102,071,419.61 : x
  2. Step 2: Convert to fraction form
    158,644,414.31/218,777,144.96 = 102,071,419.61/x
  3. Step 3: Cross multiply
    158,644,414.31x = 218,777,144.96 × 102,071,419.61
  4. Step 4: Simplify right side
    158,644,414.31x = 22,330,893,763,779,600
  5. Step 5: Solve for x
    x = 22,330,893,763,779,600/158,644,414.31
  6. Step 6: Final answer
    x = 140,760,668.20

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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.