Home / 211,719,352.38-317,455,717.64-82,175,626.37

Finding the Fourth Proportional to 211,719,352.38, 317,455,717.64 and 82,175,626.37

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Solution

The fourth proportional to 211,719,352.38, 317,455,717.64 and 82,175,626.37 is: 123,215,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,719,352.38 : 317,455,717.64 = 82,175,626.37 : x
  2. Step 2: Convert to fraction form
    211,719,352.38/317,455,717.64 = 82,175,626.37/x
  3. Step 3: Cross multiply
    211,719,352.38x = 317,455,717.64 × 82,175,626.37
  4. Step 4: Simplify right side
    211,719,352.38x = 26,087,122,442,187,620
  5. Step 5: Solve for x
    x = 26,087,122,442,187,620/211,719,352.38
  6. Step 6: Final answer
    x = 123,215,578.31

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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.