Home / 205,231,325.10-307,846,987.38-51,877,381.56

Finding the Fourth Proportional to 205,231,325.10, 307,846,987.38 and 51,877,381.56

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Solution

The fourth proportional to 205,231,325.10, 307,846,987.38 and 51,877,381.56 is: 77,816,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,231,325.10 : 307,846,987.38 = 51,877,381.56 : x
  2. Step 2: Convert to fraction form
    205,231,325.10/307,846,987.38 = 51,877,381.56/x
  3. Step 3: Cross multiply
    205,231,325.10x = 307,846,987.38 × 51,877,381.56
  4. Step 4: Simplify right side
    205,231,325.10x = 15,970,295,626,408,766
  5. Step 5: Solve for x
    x = 15,970,295,626,408,766/205,231,325.10
  6. Step 6: Final answer
    x = 77,816,072.27

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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.