Home / 209,976,032.20-314,964,048.30-82,325,216.20

Finding the Fourth Proportional to 209,976,032.20, 314,964,048.30 and 82,325,216.20

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Solution

The fourth proportional to 209,976,032.20, 314,964,048.30 and 82,325,216.20 is: 123,487,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,976,032.20 : 314,964,048.30 = 82,325,216.20 : x
  2. Step 2: Convert to fraction form
    209,976,032.20/314,964,048.30 = 82,325,216.20/x
  3. Step 3: Cross multiply
    209,976,032.20x = 314,964,048.30 × 82,325,216.20
  4. Step 4: Simplify right side
    209,976,032.20x = 25,929,483,371,524,744
  5. Step 5: Solve for x
    x = 25,929,483,371,524,744/209,976,032.20
  6. Step 6: Final answer
    x = 123,487,824.30

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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.