Home / 218,511,006.40-327,766,509.60-169,724,722.60

Finding the Fourth Proportional to 218,511,006.40, 327,766,509.60 and 169,724,722.60

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Solution

The fourth proportional to 218,511,006.40, 327,766,509.60 and 169,724,722.60 is: 254,587,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,511,006.40 : 327,766,509.60 = 169,724,722.60 : x
  2. Step 2: Convert to fraction form
    218,511,006.40/327,766,509.60 = 169,724,722.60/x
  3. Step 3: Cross multiply
    218,511,006.40x = 327,766,509.60 × 169,724,722.60
  4. Step 4: Simplify right side
    218,511,006.40x = 55,630,079,919,430,240
  5. Step 5: Solve for x
    x = 55,630,079,919,430,240/218,511,006.40
  6. Step 6: Final answer
    x = 254,587,083.90

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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.