Home / 87,269,583,850.17-120,434,997,230.57-50,644,863,590.64

Finding the Fourth Proportional to 87,269,583,850.17, 120,434,997,230.57 and 50,644,863,590.64

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Solution

The fourth proportional to 87,269,583,850.17, 120,434,997,230.57 and 50,644,863,590.64 is: 69,891,636,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,269,583,850.17 : 120,434,997,230.57 = 50,644,863,590.64 : x
  2. Step 2: Convert to fraction form
    87,269,583,850.17/120,434,997,230.57 = 50,644,863,590.64/x
  3. Step 3: Cross multiply
    87,269,583,850.17x = 120,434,997,230.57 × 50,644,863,590.64
  4. Step 4: Simplify right side
    87,269,583,850.17x = 6,099,414,006,281,323,675,648
  5. Step 5: Solve for x
    x = 6,099,414,006,281,323,675,648/87,269,583,850.17
  6. Step 6: Final answer
    x = 69,891,636,205.73

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1.5x scale

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.