Home / 220,523,520.60-330,785,280.90-186,086,143.80

Finding the Fourth Proportional to 220,523,520.60, 330,785,280.90 and 186,086,143.80

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Solution

The fourth proportional to 220,523,520.60, 330,785,280.90 and 186,086,143.80 is: 279,129,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,523,520.60 : 330,785,280.90 = 186,086,143.80 : x
  2. Step 2: Convert to fraction form
    220,523,520.60/330,785,280.90 = 186,086,143.80/x
  3. Step 3: Cross multiply
    220,523,520.60x = 330,785,280.90 × 186,086,143.80
  4. Step 4: Simplify right side
    220,523,520.60x = 61,554,557,348,480,792
  5. Step 5: Solve for x
    x = 61,554,557,348,480,792/220,523,520.60
  6. Step 6: Final answer
    x = 279,129,215.70

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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.