Home / 211,467,016.38-317,265,466.92-100,943,719.62

Finding the Fourth Proportional to 211,467,016.38, 317,265,466.92 and 100,943,719.62

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Solution

The fourth proportional to 211,467,016.38, 317,265,466.92 and 100,943,719.62 is: 151,446,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467,016.38 : 317,265,466.92 = 100,943,719.62 : x
  2. Step 2: Convert to fraction form
    211,467,016.38/317,265,466.92 = 100,943,719.62/x
  3. Step 3: Cross multiply
    211,467,016.38x = 317,265,466.92 × 100,943,719.62
  4. Step 4: Simplify right side
    211,467,016.38x = 32,025,956,337,880,868
  5. Step 5: Solve for x
    x = 32,025,956,337,880,868/211,467,016.38
  6. Step 6: Final answer
    x = 151,446,579.64

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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.