Home / 49,209,745.20-73,814,617.80-20,446,321.20

Finding the Fourth Proportional to 49,209,745.20, 73,814,617.80 and 20,446,321.20

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Solution

The fourth proportional to 49,209,745.20, 73,814,617.80 and 20,446,321.20 is: 30,669,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209,745.20 : 73,814,617.80 = 20,446,321.20 : x
  2. Step 2: Convert to fraction form
    49,209,745.20/73,814,617.80 = 20,446,321.20/x
  3. Step 3: Cross multiply
    49,209,745.20x = 73,814,617.80 × 20,446,321.20
  4. Step 4: Simplify right side
    49,209,745.20x = 1,509,237,384,794,037.25
  5. Step 5: Solve for x
    x = 1,509,237,384,794,037.25/49,209,745.20
  6. Step 6: Final answer
    x = 30,669,481.80

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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.