Home / 220,334,834.62-330,490,298.28-66,968,933.20

Finding the Fourth Proportional to 220,334,834.62, 330,490,298.28 and 66,968,933.20

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Solution

The fourth proportional to 220,334,834.62, 330,490,298.28 and 66,968,933.20 is: 100,449,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,334,834.62 : 330,490,298.28 = 66,968,933.20 : x
  2. Step 2: Convert to fraction form
    220,334,834.62/330,490,298.28 = 66,968,933.20/x
  3. Step 3: Cross multiply
    220,334,834.62x = 330,490,298.28 × 66,968,933.20
  4. Step 4: Simplify right side
    220,334,834.62x = 22,132,582,708,761,392
  5. Step 5: Solve for x
    x = 22,132,582,708,761,392/220,334,834.62
  6. Step 6: Final answer
    x = 100,449,766.59

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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.