Home / 216,538,288.78-324,826,527.30-61,093,456.78

Finding the Fourth Proportional to 216,538,288.78, 324,826,527.30 and 61,093,456.78

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Solution

The fourth proportional to 216,538,288.78, 324,826,527.30 and 61,093,456.78 is: 91,645,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,538,288.78 : 324,826,527.30 = 61,093,456.78 : x
  2. Step 2: Convert to fraction form
    216,538,288.78/324,826,527.30 = 61,093,456.78/x
  3. Step 3: Cross multiply
    216,538,288.78x = 324,826,527.30 × 61,093,456.78
  4. Step 4: Simplify right side
    216,538,288.78x = 19,844,775,404,975,908
  5. Step 5: Solve for x
    x = 19,844,775,404,975,908/216,538,288.78
  6. Step 6: Final answer
    x = 91,645,572.32

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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.