Home / 87,269,583,865.20-120,434,997,251.22-50,644,863,605.64

Finding the Fourth Proportional to 87,269,583,865.20, 120,434,997,251.22 and 50,644,863,605.64

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Solution

The fourth proportional to 87,269,583,865.20, 120,434,997,251.22 and 50,644,863,605.64 is: 69,891,636,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,269,583,865.20 : 120,434,997,251.22 = 50,644,863,605.64 : x
  2. Step 2: Convert to fraction form
    87,269,583,865.20/120,434,997,251.22 = 50,644,863,605.64/x
  3. Step 3: Cross multiply
    87,269,583,865.20x = 120,434,997,251.22 × 50,644,863,605.64
  4. Step 4: Simplify right side
    87,269,583,865.20x = 6,099,414,009,133,665,353,728
  5. Step 5: Solve for x
    x = 6,099,414,009,133,665,353,728/87,269,583,865.20
  6. Step 6: Final answer
    x = 69,891,636,226.37

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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.