Home / 209,960,144.20-314,940,216.30-82,309,328.20

Finding the Fourth Proportional to 209,960,144.20, 314,940,216.30 and 82,309,328.20

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Solution

The fourth proportional to 209,960,144.20, 314,940,216.30 and 82,309,328.20 is: 123,463,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960,144.20 : 314,940,216.30 = 82,309,328.20 : x
  2. Step 2: Convert to fraction form
    209,960,144.20/314,940,216.30 = 82,309,328.20/x
  3. Step 3: Cross multiply
    209,960,144.20x = 314,940,216.30 × 82,309,328.20
  4. Step 4: Simplify right side
    209,960,144.20x = 25,922,517,626,815,692
  5. Step 5: Solve for x
    x = 25,922,517,626,815,692/209,960,144.20
  6. Step 6: Final answer
    x = 123,463,992.30

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1.5x scale

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.