Home / 274,214,137.20-378,415,468.26-156,741,989.76

Finding the Fourth Proportional to 274,214,137.20, 378,415,468.26 and 156,741,989.76

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Solution

The fourth proportional to 274,214,137.20, 378,415,468.26 and 156,741,989.76 is: 216,303,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214,137.20 : 378,415,468.26 = 156,741,989.76 : x
  2. Step 2: Convert to fraction form
    274,214,137.20/378,415,468.26 = 156,741,989.76/x
  3. Step 3: Cross multiply
    274,214,137.20x = 378,415,468.26 × 156,741,989.76
  4. Step 4: Simplify right side
    274,214,137.20x = 59,313,593,451,034,520
  5. Step 5: Solve for x
    x = 59,313,593,451,034,520/274,214,137.20
  6. Step 6: Final answer
    x = 216,303,922.39

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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.