Home / 140,940,578.84-211,342,518.96-82,667,298.68

Finding the Fourth Proportional to 140,940,578.84, 211,342,518.96 and 82,667,298.68

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Solution

The fourth proportional to 140,940,578.84, 211,342,518.96 and 82,667,298.68 is: 123,960,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,940,578.84 : 211,342,518.96 = 82,667,298.68 : x
  2. Step 2: Convert to fraction form
    140,940,578.84/211,342,518.96 = 82,667,298.68/x
  3. Step 3: Cross multiply
    140,940,578.84x = 211,342,518.96 × 82,667,298.68
  4. Step 4: Simplify right side
    140,940,578.84x = 17,471,115,138,649,886
  5. Step 5: Solve for x
    x = 17,471,115,138,649,886/140,940,578.84
  6. Step 6: Final answer
    x = 123,960,858.42

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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.