Home / 252,058,724.20-378,088,086.30-161,284,810.60

Finding the Fourth Proportional to 252,058,724.20, 378,088,086.30 and 161,284,810.60

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Solution

The fourth proportional to 252,058,724.20, 378,088,086.30 and 161,284,810.60 is: 241,927,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,058,724.20 : 378,088,086.30 = 161,284,810.60 : x
  2. Step 2: Convert to fraction form
    252,058,724.20/378,088,086.30 = 161,284,810.60/x
  3. Step 3: Cross multiply
    252,058,724.20x = 378,088,086.30 × 161,284,810.60
  4. Step 4: Simplify right side
    252,058,724.20x = 60,979,865,389,011,952
  5. Step 5: Solve for x
    x = 60,979,865,389,011,952/252,058,724.20
  6. Step 6: Final answer
    x = 241,927,215.90

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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.