Home / 311,405,107.20-467,107,660.80-181,946,079.60

Finding the Fourth Proportional to 311,405,107.20, 467,107,660.80 and 181,946,079.60

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Solution

The fourth proportional to 311,405,107.20, 467,107,660.80 and 181,946,079.60 is: 272,919,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,405,107.20 : 467,107,660.80 = 181,946,079.60 : x
  2. Step 2: Convert to fraction form
    311,405,107.20/467,107,660.80 = 181,946,079.60/x
  3. Step 3: Cross multiply
    311,405,107.20x = 467,107,660.80 × 181,946,079.60
  4. Step 4: Simplify right side
    311,405,107.20x = 84,988,407,633,686,592
  5. Step 5: Solve for x
    x = 84,988,407,633,686,592/311,405,107.20
  6. Step 6: Final answer
    x = 272,919,119.40

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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.