Home / 220,563,028.80-330,844,543.20-67,208,839.20

Finding the Fourth Proportional to 220,563,028.80, 330,844,543.20 and 67,208,839.20

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Solution

The fourth proportional to 220,563,028.80, 330,844,543.20 and 67,208,839.20 is: 100,813,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,563,028.80 : 330,844,543.20 = 67,208,839.20 : x
  2. Step 2: Convert to fraction form
    220,563,028.80/330,844,543.20 = 67,208,839.20/x
  3. Step 3: Cross multiply
    220,563,028.80x = 330,844,543.20 × 67,208,839.20
  4. Step 4: Simplify right side
    220,563,028.80x = 22,235,677,704,126,252
  5. Step 5: Solve for x
    x = 22,235,677,704,126,252/220,563,028.80
  6. Step 6: Final answer
    x = 100,813,258.80

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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.