Home / 266,335,786.90-399,432,821.55-82,102,906.90

Finding the Fourth Proportional to 266,335,786.90, 399,432,821.55 and 82,102,906.90

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Solution

The fourth proportional to 266,335,786.90, 399,432,821.55 and 82,102,906.90 is: 123,132,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,335,786.90 : 399,432,821.55 = 82,102,906.90 : x
  2. Step 2: Convert to fraction form
    266,335,786.90/399,432,821.55 = 82,102,906.90/x
  3. Step 3: Cross multiply
    266,335,786.90x = 399,432,821.55 × 82,102,906.90
  4. Step 4: Simplify right side
    266,335,786.90x = 32,794,595,760,523,968
  5. Step 5: Solve for x
    x = 32,794,595,760,523,968/266,335,786.90
  6. Step 6: Final answer
    x = 123,132,516.82

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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.