Home / 47,839,022.42-71,786,383.85-20,171,204.42

Finding the Fourth Proportional to 47,839,022.42, 71,786,383.85 and 20,171,204.42

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Solution

The fourth proportional to 47,839,022.42, 71,786,383.85 and 20,171,204.42 is: 30,268,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,839,022.42 : 71,786,383.85 = 20,171,204.42 : x
  2. Step 2: Convert to fraction form
    47,839,022.42/71,786,383.85 = 20,171,204.42/x
  3. Step 3: Cross multiply
    47,839,022.42x = 71,786,383.85 × 20,171,204.42
  4. Step 4: Simplify right side
    47,839,022.42x = 1,448,017,822,902,432.75
  5. Step 5: Solve for x
    x = 1,448,017,822,902,432.75/47,839,022.42
  6. Step 6: Final answer
    x = 30,268,549.60

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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.