Home / 131,379,234.80-197,096,845.80-40,512,009.20

Finding the Fourth Proportional to 131,379,234.80, 197,096,845.80 and 40,512,009.20

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Solution

The fourth proportional to 131,379,234.80, 197,096,845.80 and 40,512,009.20 is: 60,776,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,379,234.80 : 197,096,845.80 = 40,512,009.20 : x
  2. Step 2: Convert to fraction form
    131,379,234.80/197,096,845.80 = 40,512,009.20/x
  3. Step 3: Cross multiply
    131,379,234.80x = 197,096,845.80 × 40,512,009.20
  4. Step 4: Simplify right side
    131,379,234.80x = 7,984,789,230,340,582
  5. Step 5: Solve for x
    x = 7,984,789,230,340,582/131,379,234.80
  6. Step 6: Final answer
    x = 60,776,645.89

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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.