Home / 218,451,014.70-327,456,072.45-109,108,013.10

Finding the Fourth Proportional to 218,451,014.70, 327,456,072.45 and 109,108,013.10

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Solution

The fourth proportional to 218,451,014.70, 327,456,072.45 and 109,108,013.10 is: 163,551,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,451,014.70 : 327,456,072.45 = 109,108,013.10 : x
  2. Step 2: Convert to fraction form
    218,451,014.70/327,456,072.45 = 109,108,013.10/x
  3. Step 3: Cross multiply
    218,451,014.70x = 327,456,072.45 × 109,108,013.10
  4. Step 4: Simplify right side
    218,451,014.70x = 35,728,081,442,549,144
  5. Step 5: Solve for x
    x = 35,728,081,442,549,144/218,451,014.70
  6. Step 6: Final answer
    x = 163,551,913.42

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1.5x scale

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.