Home / 45,198,182.40-67,738,291.20-20,934,297.60

Finding the Fourth Proportional to 45,198,182.40, 67,738,291.20 and 20,934,297.60

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Solution

The fourth proportional to 45,198,182.40, 67,738,291.20 and 20,934,297.60 is: 31,374,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,198,182.40 : 67,738,291.20 = 20,934,297.60 : x
  2. Step 2: Convert to fraction form
    45,198,182.40/67,738,291.20 = 20,934,297.60/x
  3. Step 3: Cross multiply
    45,198,182.40x = 67,738,291.20 × 20,934,297.60
  4. Step 4: Simplify right side
    45,198,182.40x = 1,418,053,546,896,261.25
  5. Step 5: Solve for x
    x = 1,418,053,546,896,261.25/45,198,182.40
  6. Step 6: Final answer
    x = 31,374,127.71

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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.