Home / 87,008,285.92-120,037,452.72-49,818,692.32

Finding the Fourth Proportional to 87,008,285.92, 120,037,452.72 and 49,818,692.32

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Solution

The fourth proportional to 87,008,285.92, 120,037,452.72 and 49,818,692.32 is: 68,730,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008,285.92 : 120,037,452.72 = 49,818,692.32 : x
  2. Step 2: Convert to fraction form
    87,008,285.92/120,037,452.72 = 49,818,692.32/x
  3. Step 3: Cross multiply
    87,008,285.92x = 120,037,452.72 × 49,818,692.32
  4. Step 4: Simplify right side
    87,008,285.92x = 5,980,108,923,934,227
  5. Step 5: Solve for x
    x = 5,980,108,923,934,227/87,008,285.92
  6. Step 6: Final answer
    x = 68,730,338.27

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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.