Home / 220,334,833.62-330,490,296.78-66,968,932.20

Finding the Fourth Proportional to 220,334,833.62, 330,490,296.78 and 66,968,932.20

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Solution

The fourth proportional to 220,334,833.62, 330,490,296.78 and 66,968,932.20 is: 100,449,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,334,833.62 : 330,490,296.78 = 66,968,932.20 : x
  2. Step 2: Convert to fraction form
    220,334,833.62/330,490,296.78 = 66,968,932.20/x
  3. Step 3: Cross multiply
    220,334,833.62x = 330,490,296.78 × 66,968,932.20
  4. Step 4: Simplify right side
    220,334,833.62x = 22,132,582,277,817,696
  5. Step 5: Solve for x
    x = 22,132,582,277,817,696/220,334,833.62
  6. Step 6: Final answer
    x = 100,449,765.09

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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.