Home / 263,285,420.70-394,928,131.05-134,145,257.70

Finding the Fourth Proportional to 263,285,420.70, 394,928,131.05 and 134,145,257.70

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Solution

The fourth proportional to 263,285,420.70, 394,928,131.05 and 134,145,257.70 is: 201,217,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,285,420.70 : 394,928,131.05 = 134,145,257.70 : x
  2. Step 2: Convert to fraction form
    263,285,420.70/394,928,131.05 = 134,145,257.70/x
  3. Step 3: Cross multiply
    263,285,420.70x = 394,928,131.05 × 134,145,257.70
  4. Step 4: Simplify right side
    263,285,420.70x = 52,977,735,912,681,624
  5. Step 5: Solve for x
    x = 52,977,735,912,681,624/263,285,420.70
  6. Step 6: Final answer
    x = 201,217,886.55

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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.