Home / 299,567,999.20-449,351,998.80-84,157,247.20

Finding the Fourth Proportional to 299,567,999.20, 449,351,998.80 and 84,157,247.20

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Solution

The fourth proportional to 299,567,999.20, 449,351,998.80 and 84,157,247.20 is: 126,235,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,567,999.20 : 449,351,998.80 = 84,157,247.20 : x
  2. Step 2: Convert to fraction form
    299,567,999.20/449,351,998.80 = 84,157,247.20/x
  3. Step 3: Cross multiply
    299,567,999.20x = 449,351,998.80 × 84,157,247.20
  4. Step 4: Simplify right side
    299,567,999.20x = 37,816,227,242,825,704
  5. Step 5: Solve for x
    x = 37,816,227,242,825,704/299,567,999.20
  6. Step 6: Final answer
    x = 126,235,870.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.