Home / 263,285,417.20-394,928,125.80-134,145,254.20

Finding the Fourth Proportional to 263,285,417.20, 394,928,125.80 and 134,145,254.20

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Solution

The fourth proportional to 263,285,417.20, 394,928,125.80 and 134,145,254.20 is: 201,217,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,285,417.20 : 394,928,125.80 = 134,145,254.20 : x
  2. Step 2: Convert to fraction form
    263,285,417.20/394,928,125.80 = 134,145,254.20/x
  3. Step 3: Cross multiply
    263,285,417.20x = 394,928,125.80 × 134,145,254.20
  4. Step 4: Simplify right side
    263,285,417.20x = 52,977,733,826,170,584
  5. Step 5: Solve for x
    x = 52,977,733,826,170,584/263,285,417.20
  6. Step 6: Final answer
    x = 201,217,881.30

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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.