Home / 205,231,331.12-307,846,996.34-51,877,387.62

Finding the Fourth Proportional to 205,231,331.12, 307,846,996.34 and 51,877,387.62

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Solution

The fourth proportional to 205,231,331.12, 307,846,996.34 and 51,877,387.62 is: 77,816,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231,331.12 : 307,846,996.34 = 51,877,387.62 : x
  2. Step 2: Convert to fraction form
    205,231,331.12/307,846,996.34 = 51,877,387.62/x
  3. Step 3: Cross multiply
    205,231,331.12x = 307,846,996.34 × 51,877,387.62
  4. Step 4: Simplify right side
    205,231,331.12x = 15,970,297,956,523,512
  5. Step 5: Solve for x
    x = 15,970,297,956,523,512/205,231,331.12
  6. Step 6: Final answer
    x = 77,816,081.34

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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.