Home / 209,960,144.70-314,940,217.05-82,309,328.70

Finding the Fourth Proportional to 209,960,144.70, 314,940,217.05 and 82,309,328.70

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Solution

The fourth proportional to 209,960,144.70, 314,940,217.05 and 82,309,328.70 is: 123,463,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960,144.70 : 314,940,217.05 = 82,309,328.70 : x
  2. Step 2: Convert to fraction form
    209,960,144.70/314,940,217.05 = 82,309,328.70/x
  3. Step 3: Cross multiply
    209,960,144.70x = 314,940,217.05 × 82,309,328.70
  4. Step 4: Simplify right side
    209,960,144.70x = 25,922,517,846,017,796
  5. Step 5: Solve for x
    x = 25,922,517,846,017,796/209,960,144.70
  6. Step 6: Final answer
    x = 123,463,993.05

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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.