Home / 262,878,652.56-394,511,721.24-124,704,692.88

Finding the Fourth Proportional to 262,878,652.56, 394,511,721.24 and 124,704,692.88

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Solution

The fourth proportional to 262,878,652.56, 394,511,721.24 and 124,704,692.88 is: 187,148,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,878,652.56 : 394,511,721.24 = 124,704,692.88 : x
  2. Step 2: Convert to fraction form
    262,878,652.56/394,511,721.24 = 124,704,692.88/x
  3. Step 3: Cross multiply
    262,878,652.56x = 394,511,721.24 × 124,704,692.88
  4. Step 4: Simplify right side
    262,878,652.56x = 49,197,463,034,794,376
  5. Step 5: Solve for x
    x = 49,197,463,034,794,376/262,878,652.56
  6. Step 6: Final answer
    x = 187,148,947.07

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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.