Home / 220,131,230.20-330,196,845.30-143,603,726.20

Finding the Fourth Proportional to 220,131,230.20, 330,196,845.30 and 143,603,726.20

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Solution

The fourth proportional to 220,131,230.20, 330,196,845.30 and 143,603,726.20 is: 215,405,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,131,230.20 : 330,196,845.30 = 143,603,726.20 : x
  2. Step 2: Convert to fraction form
    220,131,230.20/330,196,845.30 = 143,603,726.20/x
  3. Step 3: Cross multiply
    220,131,230.20x = 330,196,845.30 × 143,603,726.20
  4. Step 4: Simplify right side
    220,131,230.20x = 47,417,497,364,564,952
  5. Step 5: Solve for x
    x = 47,417,497,364,564,952/220,131,230.20
  6. Step 6: Final answer
    x = 215,405,589.30

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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.