Home / 216,206,393.54-324,826,969.04-138,635,276.83

Finding the Fourth Proportional to 216,206,393.54, 324,826,969.04 and 138,635,276.83

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Solution

The fourth proportional to 216,206,393.54, 324,826,969.04 and 138,635,276.83 is: 208,284,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206,393.54 : 324,826,969.04 = 138,635,276.83 : x
  2. Step 2: Convert to fraction form
    216,206,393.54/324,826,969.04 = 138,635,276.83/x
  3. Step 3: Cross multiply
    216,206,393.54x = 324,826,969.04 × 138,635,276.83
  4. Step 4: Simplify right side
    216,206,393.54x = 45,032,476,774,505,392
  5. Step 5: Solve for x
    x = 45,032,476,774,505,392/216,206,393.54
  6. Step 6: Final answer
    x = 208,284,667.43

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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.