Home / 231,821,476.20-347,732,214.30-207,635,005.80

Finding the Fourth Proportional to 231,821,476.20, 347,732,214.30 and 207,635,005.80

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Solution

The fourth proportional to 231,821,476.20, 347,732,214.30 and 207,635,005.80 is: 311,452,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,821,476.20 : 347,732,214.30 = 207,635,005.80 : x
  2. Step 2: Convert to fraction form
    231,821,476.20/347,732,214.30 = 207,635,005.80/x
  3. Step 3: Cross multiply
    231,821,476.20x = 347,732,214.30 × 207,635,005.80
  4. Step 4: Simplify right side
    231,821,476.20x = 72,201,380,333,027,344
  5. Step 5: Solve for x
    x = 72,201,380,333,027,344/231,821,476.20
  6. Step 6: Final answer
    x = 311,452,508.70

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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.