Home / 49,215,065.80-73,800,480.30-18,912,857.80

Finding the Fourth Proportional to 49,215,065.80, 73,800,480.30 and 18,912,857.80

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Solution

The fourth proportional to 49,215,065.80, 73,800,480.30 and 18,912,857.80 is: 28,360,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,215,065.80 : 73,800,480.30 = 18,912,857.80 : x
  2. Step 2: Convert to fraction form
    49,215,065.80/73,800,480.30 = 18,912,857.80/x
  3. Step 3: Cross multiply
    49,215,065.80x = 73,800,480.30 × 18,912,857.80
  4. Step 4: Simplify right side
    49,215,065.80x = 1,395,777,989,485,601.25
  5. Step 5: Solve for x
    x = 1,395,777,989,485,601.25/49,215,065.80
  6. Step 6: Final answer
    x = 28,360,786.82

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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.