Home / 262,750,787.52-394,147,193.76-90,158,147.52

Finding the Fourth Proportional to 262,750,787.52, 394,147,193.76 and 90,158,147.52

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Solution

The fourth proportional to 262,750,787.52, 394,147,193.76 and 90,158,147.52 is: 135,244,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,750,787.52 : 394,147,193.76 = 90,158,147.52 : x
  2. Step 2: Convert to fraction form
    262,750,787.52/394,147,193.76 = 90,158,147.52/x
  3. Step 3: Cross multiply
    262,750,787.52x = 394,147,193.76 × 90,158,147.52
  4. Step 4: Simplify right side
    262,750,787.52x = 35,535,580,839,608,100
  5. Step 5: Solve for x
    x = 35,535,580,839,608,100/262,750,787.52
  6. Step 6: Final answer
    x = 135,244,431.33

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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.