Home / 159,731,515.54-238,966,859.28-120,981,593.44

Finding the Fourth Proportional to 159,731,515.54, 238,966,859.28 and 120,981,593.44

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Solution

The fourth proportional to 159,731,515.54, 238,966,859.28 and 120,981,593.44 is: 180,994,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,731,515.54 : 238,966,859.28 = 120,981,593.44 : x
  2. Step 2: Convert to fraction form
    159,731,515.54/238,966,859.28 = 120,981,593.44/x
  3. Step 3: Cross multiply
    159,731,515.54x = 238,966,859.28 × 120,981,593.44
  4. Step 4: Simplify right side
    159,731,515.54x = 28,910,591,415,046,652
  5. Step 5: Solve for x
    x = 28,910,591,415,046,652/159,731,515.54
  6. Step 6: Final answer
    x = 180,994,910.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.