Home / 220,102,602.20-330,185,396.10-66,760,659.80

Finding the Fourth Proportional to 220,102,602.20, 330,185,396.10 and 66,760,659.80

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Solution

The fourth proportional to 220,102,602.20, 330,185,396.10 and 66,760,659.80 is: 100,150,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,102,602.20 : 330,185,396.10 = 66,760,659.80 : x
  2. Step 2: Convert to fraction form
    220,102,602.20/330,185,396.10 = 66,760,659.80/x
  3. Step 3: Cross multiply
    220,102,602.20x = 330,185,396.10 × 66,760,659.80
  4. Step 4: Simplify right side
    220,102,602.20x = 22,043,394,899,960,348
  5. Step 5: Solve for x
    x = 22,043,394,899,960,348/220,102,602.20
  6. Step 6: Final answer
    x = 100,150,541.97

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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.