Home / 158,644,415.31-218,777,146.34-102,071,420.61

Finding the Fourth Proportional to 158,644,415.31, 218,777,146.34 and 102,071,420.61

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Solution

The fourth proportional to 158,644,415.31, 218,777,146.34 and 102,071,420.61 is: 140,760,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,644,415.31 : 218,777,146.34 = 102,071,420.61 : x
  2. Step 2: Convert to fraction form
    158,644,415.31/218,777,146.34 = 102,071,420.61/x
  3. Step 3: Cross multiply
    158,644,415.31x = 218,777,146.34 × 102,071,420.61
  4. Step 4: Simplify right side
    158,644,415.31x = 22,330,894,123,415,304
  5. Step 5: Solve for x
    x = 22,330,894,123,415,304/158,644,415.31
  6. Step 6: Final answer
    x = 140,760,669.58

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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.