Home / 203,542,456.34-280,888,377.18-110,722,742.75

Finding the Fourth Proportional to 203,542,456.34, 280,888,377.18 and 110,722,742.75

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Solution

The fourth proportional to 203,542,456.34, 280,888,377.18 and 110,722,742.75 is: 152,797,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,542,456.34 : 280,888,377.18 = 110,722,742.75 : x
  2. Step 2: Convert to fraction form
    203,542,456.34/280,888,377.18 = 110,722,742.75/x
  3. Step 3: Cross multiply
    203,542,456.34x = 280,888,377.18 × 110,722,742.75
  4. Step 4: Simplify right side
    203,542,456.34x = 31,100,731,528,253,120
  5. Step 5: Solve for x
    x = 31,100,731,528,253,120/203,542,456.34
  6. Step 6: Final answer
    x = 152,797,269.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.