Home / 45,288,122.60-67,936,331.10-18,356,205.80

Finding the Fourth Proportional to 45,288,122.60, 67,936,331.10 and 18,356,205.80

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Solution

The fourth proportional to 45,288,122.60, 67,936,331.10 and 18,356,205.80 is: 27,535,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288,122.60 : 67,936,331.10 = 18,356,205.80 : x
  2. Step 2: Convert to fraction form
    45,288,122.60/67,936,331.10 = 18,356,205.80/x
  3. Step 3: Cross multiply
    45,288,122.60x = 67,936,331.10 × 18,356,205.80
  4. Step 4: Simplify right side
    45,288,122.60x = 1,247,053,274,968,540.25
  5. Step 5: Solve for x
    x = 1,247,053,274,968,540.25/45,288,122.60
  6. Step 6: Final answer
    x = 27,535,989.65

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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.