Home / 216,418,791.20-324,632,912.87-130,229,296.16

Finding the Fourth Proportional to 216,418,791.20, 324,632,912.87 and 130,229,296.16

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Solution

The fourth proportional to 216,418,791.20, 324,632,912.87 and 130,229,296.16 is: 195,346,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,418,791.20 : 324,632,912.87 = 130,229,296.16 : x
  2. Step 2: Convert to fraction form
    216,418,791.20/324,632,912.87 = 130,229,296.16/x
  3. Step 3: Cross multiply
    216,418,791.20x = 324,632,912.87 × 130,229,296.16
  4. Step 4: Simplify right side
    216,418,791.20x = 42,276,715,752,133,112
  5. Step 5: Solve for x
    x = 42,276,715,752,133,112/216,418,791.20
  6. Step 6: Final answer
    x = 195,346,788.14

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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.