Home / 220,151,208.80-330,226,813.20-206,546,319.20

Finding the Fourth Proportional to 220,151,208.80, 330,226,813.20 and 206,546,319.20

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Solution

The fourth proportional to 220,151,208.80, 330,226,813.20 and 206,546,319.20 is: 309,819,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,151,208.80 : 330,226,813.20 = 206,546,319.20 : x
  2. Step 2: Convert to fraction form
    220,151,208.80/330,226,813.20 = 206,546,319.20/x
  3. Step 3: Cross multiply
    220,151,208.80x = 330,226,813.20 × 206,546,319.20
  4. Step 4: Simplify right side
    220,151,208.80x = 68,207,132,767,605,968
  5. Step 5: Solve for x
    x = 68,207,132,767,605,968/220,151,208.80
  6. Step 6: Final answer
    x = 309,819,478.80

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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.