Home / 263,285,443.20-394,928,164.80-134,145,280.20

Finding the Fourth Proportional to 263,285,443.20, 394,928,164.80 and 134,145,280.20

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Solution

The fourth proportional to 263,285,443.20, 394,928,164.80 and 134,145,280.20 is: 201,217,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,285,443.20 : 394,928,164.80 = 134,145,280.20 : x
  2. Step 2: Convert to fraction form
    263,285,443.20/394,928,164.80 = 134,145,280.20/x
  3. Step 3: Cross multiply
    263,285,443.20x = 394,928,164.80 × 134,145,280.20
  4. Step 4: Simplify right side
    263,285,443.20x = 52,977,749,325,967,776
  5. Step 5: Solve for x
    x = 52,977,749,325,967,776/263,285,443.20
  6. Step 6: Final answer
    x = 201,217,920.30

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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.