Home / 218,511,015.40-327,766,523.10-169,724,731.60

Finding the Fourth Proportional to 218,511,015.40, 327,766,523.10 and 169,724,731.60

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Solution

The fourth proportional to 218,511,015.40, 327,766,523.10 and 169,724,731.60 is: 254,587,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,511,015.40 : 327,766,523.10 = 169,724,731.60 : x
  2. Step 2: Convert to fraction form
    218,511,015.40/327,766,523.10 = 169,724,731.60/x
  3. Step 3: Cross multiply
    218,511,015.40x = 327,766,523.10 × 169,724,731.60
  4. Step 4: Simplify right side
    218,511,015.40x = 55,630,085,160,612,704
  5. Step 5: Solve for x
    x = 55,630,085,160,612,704/218,511,015.40
  6. Step 6: Final answer
    x = 254,587,097.40

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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.