Home / 252,058,612.20-378,087,918.30-161,284,698.60

Finding the Fourth Proportional to 252,058,612.20, 378,087,918.30 and 161,284,698.60

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Solution

The fourth proportional to 252,058,612.20, 378,087,918.30 and 161,284,698.60 is: 241,927,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,058,612.20 : 378,087,918.30 = 161,284,698.60 : x
  2. Step 2: Convert to fraction form
    252,058,612.20/378,087,918.30 = 161,284,698.60/x
  3. Step 3: Cross multiply
    252,058,612.20x = 378,087,918.30 × 161,284,698.60
  4. Step 4: Simplify right side
    252,058,612.20x = 60,979,795,947,316,928
  5. Step 5: Solve for x
    x = 60,979,795,947,316,928/252,058,612.20
  6. Step 6: Final answer
    x = 241,927,047.90

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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.