Home / 119,121,620.82-178,631,648.66-45,332,809.44

Finding the Fourth Proportional to 119,121,620.82, 178,631,648.66 and 45,332,809.44

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Solution

The fourth proportional to 119,121,620.82, 178,631,648.66 and 45,332,809.44 is: 67,979,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,121,620.82 : 178,631,648.66 = 45,332,809.44 : x
  2. Step 2: Convert to fraction form
    119,121,620.82/178,631,648.66 = 45,332,809.44/x
  3. Step 3: Cross multiply
    119,121,620.82x = 178,631,648.66 × 45,332,809.44
  4. Step 4: Simplify right side
    119,121,620.82x = 8,097,874,488,656,811
  5. Step 5: Solve for x
    x = 8,097,874,488,656,811/119,121,620.82
  6. Step 6: Final answer
    x = 67,979,888.39

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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.