Home / 216,538,288.40-324,826,526.74-61,093,456.40

Finding the Fourth Proportional to 216,538,288.40, 324,826,526.74 and 61,093,456.40

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Solution

The fourth proportional to 216,538,288.40, 324,826,526.74 and 61,093,456.40 is: 91,645,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,538,288.40 : 324,826,526.74 = 61,093,456.40 : x
  2. Step 2: Convert to fraction form
    216,538,288.40/324,826,526.74 = 61,093,456.40/x
  3. Step 3: Cross multiply
    216,538,288.40x = 324,826,526.74 × 61,093,456.40
  4. Step 4: Simplify right side
    216,538,288.40x = 19,844,775,248,800,892
  5. Step 5: Solve for x
    x = 19,844,775,248,800,892/216,538,288.40
  6. Step 6: Final answer
    x = 91,645,571.76

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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.