Home / 166,917,885.86-230,080,620.21-131,578,098.86

Finding the Fourth Proportional to 166,917,885.86, 230,080,620.21 and 131,578,098.86

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Solution

The fourth proportional to 166,917,885.86, 230,080,620.21 and 131,578,098.86 is: 181,368,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,917,885.86 : 230,080,620.21 = 131,578,098.86 : x
  2. Step 2: Convert to fraction form
    166,917,885.86/230,080,620.21 = 131,578,098.86/x
  3. Step 3: Cross multiply
    166,917,885.86x = 230,080,620.21 × 131,578,098.86
  4. Step 4: Simplify right side
    166,917,885.86x = 30,273,570,591,761,496
  5. Step 5: Solve for x
    x = 30,273,570,591,761,496/166,917,885.86
  6. Step 6: Final answer
    x = 181,368,044.75

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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.