Home / 192,686,079.60-288,945,138.60-77,632,383.60

Finding the Fourth Proportional to 192,686,079.60, 288,945,138.60 and 77,632,383.60

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Solution

The fourth proportional to 192,686,079.60, 288,945,138.60 and 77,632,383.60 is: 116,414,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,686,079.60 : 288,945,138.60 = 77,632,383.60 : x
  2. Step 2: Convert to fraction form
    192,686,079.60/288,945,138.60 = 77,632,383.60/x
  3. Step 3: Cross multiply
    192,686,079.60x = 288,945,138.60 × 77,632,383.60
  4. Step 4: Simplify right side
    192,686,079.60x = 22,431,499,839,150,368
  5. Step 5: Solve for x
    x = 22,431,499,839,150,368/192,686,079.60
  6. Step 6: Final answer
    x = 116,414,739.90

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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.