Home / 243,352,692.92-335,826,261.87-131,846,305.12

Finding the Fourth Proportional to 243,352,692.92, 335,826,261.87 and 131,846,305.12

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Solution

The fourth proportional to 243,352,692.92, 335,826,261.87 and 131,846,305.12 is: 181,947,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,352,692.92 : 335,826,261.87 = 131,846,305.12 : x
  2. Step 2: Convert to fraction form
    243,352,692.92/335,826,261.87 = 131,846,305.12/x
  3. Step 3: Cross multiply
    243,352,692.92x = 335,826,261.87 × 131,846,305.12
  4. Step 4: Simplify right side
    243,352,692.92x = 44,277,451,787,589,728
  5. Step 5: Solve for x
    x = 44,277,451,787,589,728/243,352,692.92
  6. Step 6: Final answer
    x = 181,947,654.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.