Home / 213,485,835.48-319,862,824.32-143,324,659.32

Finding the Fourth Proportional to 213,485,835.48, 319,862,824.32 and 143,324,659.32

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Solution

The fourth proportional to 213,485,835.48, 319,862,824.32 and 143,324,659.32 is: 214,741,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,485,835.48 : 319,862,824.32 = 143,324,659.32 : x
  2. Step 2: Convert to fraction form
    213,485,835.48/319,862,824.32 = 143,324,659.32/x
  3. Step 3: Cross multiply
    213,485,835.48x = 319,862,824.32 × 143,324,659.32
  4. Step 4: Simplify right side
    213,485,835.48x = 45,844,230,324,797,008
  5. Step 5: Solve for x
    x = 45,844,230,324,797,008/213,485,835.48
  6. Step 6: Final answer
    x = 214,741,321.00

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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.