Home / 422,176,135.83-633,255,235.43-115,468,249.11

Finding the Fourth Proportional to 422,176,135.83, 633,255,235.43 and 115,468,249.11

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Solution

The fourth proportional to 422,176,135.83, 633,255,235.43 and 115,468,249.11 is: 173,199,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,176,135.83 : 633,255,235.43 = 115,468,249.11 : x
  2. Step 2: Convert to fraction form
    422,176,135.83/633,255,235.43 = 115,468,249.11/x
  3. Step 3: Cross multiply
    422,176,135.83x = 633,255,235.43 × 115,468,249.11
  4. Step 4: Simplify right side
    422,176,135.83x = 73,120,873,274,265,584
  5. Step 5: Solve for x
    x = 73,120,873,274,265,584/422,176,135.83
  6. Step 6: Final answer
    x = 173,199,920.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.