Home / 87,378,571.20-131,151,837.60-44,296,420.80

Finding the Fourth Proportional to 87,378,571.20, 131,151,837.60 and 44,296,420.80

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Solution

The fourth proportional to 87,378,571.20, 131,151,837.60 and 44,296,420.80 is: 66,487,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,378,571.20 : 131,151,837.60 = 44,296,420.80 : x
  2. Step 2: Convert to fraction form
    87,378,571.20/131,151,837.60 = 44,296,420.80/x
  3. Step 3: Cross multiply
    87,378,571.20x = 131,151,837.60 × 44,296,420.80
  4. Step 4: Simplify right side
    87,378,571.20x = 5,809,556,987,022,861
  5. Step 5: Solve for x
    x = 5,809,556,987,022,861/87,378,571.20
  6. Step 6: Final answer
    x = 66,487,205.13

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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.