Home / 131,328,050.70-196,992,076.05-82,955,109.90

Finding the Fourth Proportional to 131,328,050.70, 196,992,076.05 and 82,955,109.90

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Solution

The fourth proportional to 131,328,050.70, 196,992,076.05 and 82,955,109.90 is: 124,432,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,050.70 : 196,992,076.05 = 82,955,109.90 : x
  2. Step 2: Convert to fraction form
    131,328,050.70/196,992,076.05 = 82,955,109.90/x
  3. Step 3: Cross multiply
    131,328,050.70x = 196,992,076.05 × 82,955,109.90
  4. Step 4: Simplify right side
    131,328,050.70x = 16,341,499,318,156,910
  5. Step 5: Solve for x
    x = 16,341,499,318,156,910/131,328,050.70
  6. Step 6: Final answer
    x = 124,432,664.85

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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.