Home / 87,269,583,864.20-120,434,997,249.84-50,644,863,604.64

Finding the Fourth Proportional to 87,269,583,864.20, 120,434,997,249.84 and 50,644,863,604.64

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Solution

The fourth proportional to 87,269,583,864.20, 120,434,997,249.84 and 50,644,863,604.64 is: 69,891,636,224.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,269,583,864.20 : 120,434,997,249.84 = 50,644,863,604.64 : x
  2. Step 2: Convert to fraction form
    87,269,583,864.20/120,434,997,249.84 = 50,644,863,604.64/x
  3. Step 3: Cross multiply
    87,269,583,864.20x = 120,434,997,249.84 × 50,644,863,604.64
  4. Step 4: Simplify right side
    87,269,583,864.20x = 6,099,414,008,943,340,421,120
  5. Step 5: Solve for x
    x = 6,099,414,008,943,340,421,120/87,269,583,864.20
  6. Step 6: Final answer
    x = 69,891,636,224.99

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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.