Home / 220,563,174.80-330,846,402.45-82,420,007.60

Finding the Fourth Proportional to 220,563,174.80, 330,846,402.45 and 82,420,007.60

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Solution

The fourth proportional to 220,563,174.80, 330,846,402.45 and 82,420,007.60 is: 123,630,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,563,174.80 : 330,846,402.45 = 82,420,007.60 : x
  2. Step 2: Convert to fraction form
    220,563,174.80/330,846,402.45 = 82,420,007.60/x
  3. Step 3: Cross multiply
    220,563,174.80x = 330,846,402.45 × 82,420,007.60
  4. Step 4: Simplify right side
    220,563,174.80x = 27,268,363,004,361,656
  5. Step 5: Solve for x
    x = 27,268,363,004,361,656/220,563,174.80
  6. Step 6: Final answer
    x = 123,630,624.33

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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.