Home / 300,052,190.01-449,495,921.48-221,125,356.39

Finding the Fourth Proportional to 300,052,190.01, 449,495,921.48 and 221,125,356.39

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Solution

The fourth proportional to 300,052,190.01, 449,495,921.48 and 221,125,356.39 is: 331,258,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,052,190.01 : 449,495,921.48 = 221,125,356.39 : x
  2. Step 2: Convert to fraction form
    300,052,190.01/449,495,921.48 = 221,125,356.39/x
  3. Step 3: Cross multiply
    300,052,190.01x = 449,495,921.48 × 221,125,356.39
  4. Step 4: Simplify right side
    300,052,190.01x = 99,394,945,833,116,448
  5. Step 5: Solve for x
    x = 99,394,945,833,116,448/300,052,190.01
  6. Step 6: Final answer
    x = 331,258,858.10

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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.