Home / 158,027,212.80-218,086,015.68-88,408,442.88

Finding the Fourth Proportional to 158,027,212.80, 218,086,015.68 and 88,408,442.88

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Solution

The fourth proportional to 158,027,212.80, 218,086,015.68 and 88,408,442.88 is: 122,008,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,027,212.80 : 218,086,015.68 = 88,408,442.88 : x
  2. Step 2: Convert to fraction form
    158,027,212.80/218,086,015.68 = 88,408,442.88/x
  3. Step 3: Cross multiply
    158,027,212.80x = 218,086,015.68 × 88,408,442.88
  4. Step 4: Simplify right side
    158,027,212.80x = 19,280,645,060,172,064
  5. Step 5: Solve for x
    x = 19,280,645,060,172,064/158,027,212.80
  6. Step 6: Final answer
    x = 122,008,385.26

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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.