Home / 269,405,998.20-404,108,997.30-87,653,176.20

Finding the Fourth Proportional to 269,405,998.20, 404,108,997.30 and 87,653,176.20

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Solution

The fourth proportional to 269,405,998.20, 404,108,997.30 and 87,653,176.20 is: 131,479,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,405,998.20 : 404,108,997.30 = 87,653,176.20 : x
  2. Step 2: Convert to fraction form
    269,405,998.20/404,108,997.30 = 87,653,176.20/x
  3. Step 3: Cross multiply
    269,405,998.20x = 404,108,997.30 × 87,653,176.20
  4. Step 4: Simplify right side
    269,405,998.20x = 35,421,437,144,342,228
  5. Step 5: Solve for x
    x = 35,421,437,144,342,228/269,405,998.20
  6. Step 6: Final answer
    x = 131,479,764.30

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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.