Home / 198,945,563.49-298,404,356.00-74,424,435.21

Finding the Fourth Proportional to 198,945,563.49, 298,404,356.00 and 74,424,435.21

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Solution

The fourth proportional to 198,945,563.49, 298,404,356.00 and 74,424,435.21 is: 111,631,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,945,563.49 : 298,404,356.00 = 74,424,435.21 : x
  2. Step 2: Convert to fraction form
    198,945,563.49/298,404,356.00 = 74,424,435.21/x
  3. Step 3: Cross multiply
    198,945,563.49x = 298,404,356.00 × 74,424,435.21
  4. Step 4: Simplify right side
    198,945,563.49x = 22,208,575,659,131,652
  5. Step 5: Solve for x
    x = 22,208,575,659,131,652/198,945,563.49
  6. Step 6: Final answer
    x = 111,631,419.52

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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.