Home / 67,193,972.80-100,809,621.60-28,873,844.80

Finding the Fourth Proportional to 67,193,972.80, 100,809,621.60 and 28,873,844.80

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Solution

The fourth proportional to 67,193,972.80, 100,809,621.60 and 28,873,844.80 is: 43,318,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,193,972.80 : 100,809,621.60 = 28,873,844.80 : x
  2. Step 2: Convert to fraction form
    67,193,972.80/100,809,621.60 = 28,873,844.80/x
  3. Step 3: Cross multiply
    67,193,972.80x = 100,809,621.60 × 28,873,844.80
  4. Step 4: Simplify right side
    67,193,972.80x = 2,910,761,368,425,127.50
  5. Step 5: Solve for x
    x = 2,910,761,368,425,127.50/67,193,972.80
  6. Step 6: Final answer
    x = 43,318,786.60

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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.