Home / 218,276,039.40-327,414,059.10-188,940,496.20

Finding the Fourth Proportional to 218,276,039.40, 327,414,059.10 and 188,940,496.20

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Solution

The fourth proportional to 218,276,039.40, 327,414,059.10 and 188,940,496.20 is: 283,410,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,276,039.40 : 327,414,059.10 = 188,940,496.20 : x
  2. Step 2: Convert to fraction form
    218,276,039.40/327,414,059.10 = 188,940,496.20/x
  3. Step 3: Cross multiply
    218,276,039.40x = 327,414,059.10 × 188,940,496.20
  4. Step 4: Simplify right side
    218,276,039.40x = 61,861,774,789,210,128
  5. Step 5: Solve for x
    x = 61,861,774,789,210,128/218,276,039.40
  6. Step 6: Final answer
    x = 283,410,744.30

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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.