Home / 263,260,601.20-394,890,901.80-134,120,438.20

Finding the Fourth Proportional to 263,260,601.20, 394,890,901.80 and 134,120,438.20

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Solution

The fourth proportional to 263,260,601.20, 394,890,901.80 and 134,120,438.20 is: 201,180,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,260,601.20 : 394,890,901.80 = 134,120,438.20 : x
  2. Step 2: Convert to fraction form
    263,260,601.20/394,890,901.80 = 134,120,438.20/x
  3. Step 3: Cross multiply
    263,260,601.20x = 394,890,901.80 × 134,120,438.20
  4. Step 4: Simplify right side
    263,260,601.20x = 52,962,940,790,609,168
  5. Step 5: Solve for x
    x = 52,962,940,790,609,168/263,260,601.20
  6. Step 6: Final answer
    x = 201,180,657.30

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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.