Home / 231,977,910.83-320,141,008.94-143,900,286.89

Finding the Fourth Proportional to 231,977,910.83, 320,141,008.94 and 143,900,286.89

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Solution

The fourth proportional to 231,977,910.83, 320,141,008.94 and 143,900,286.89 is: 198,589,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,977,910.83 : 320,141,008.94 = 143,900,286.89 : x
  2. Step 2: Convert to fraction form
    231,977,910.83/320,141,008.94 = 143,900,286.89/x
  3. Step 3: Cross multiply
    231,977,910.83x = 320,141,008.94 × 143,900,286.89
  4. Step 4: Simplify right side
    231,977,910.83x = 46,068,383,029,399,848
  5. Step 5: Solve for x
    x = 46,068,383,029,399,848/231,977,910.83
  6. Step 6: Final answer
    x = 198,589,524.60

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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.