Home / 220,131,231.20-330,196,846.80-143,603,727.20

Finding the Fourth Proportional to 220,131,231.20, 330,196,846.80 and 143,603,727.20

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Solution

The fourth proportional to 220,131,231.20, 330,196,846.80 and 143,603,727.20 is: 215,405,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,131,231.20 : 330,196,846.80 = 143,603,727.20 : x
  2. Step 2: Convert to fraction form
    220,131,231.20/330,196,846.80 = 143,603,727.20/x
  3. Step 3: Cross multiply
    220,131,231.20x = 330,196,846.80 × 143,603,727.20
  4. Step 4: Simplify right side
    220,131,231.20x = 47,417,497,910,167,392
  5. Step 5: Solve for x
    x = 47,417,497,910,167,392/220,131,231.20
  6. Step 6: Final answer
    x = 215,405,590.80

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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.