Home / 218,422,669.00-327,635,228.31-72,855,830.77

Finding the Fourth Proportional to 218,422,669.00, 327,635,228.31 and 72,855,830.77

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Solution

The fourth proportional to 218,422,669.00, 327,635,228.31 and 72,855,830.77 is: 109,284,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422,669.00 : 327,635,228.31 = 72,855,830.77 : x
  2. Step 2: Convert to fraction form
    218,422,669.00/327,635,228.31 = 72,855,830.77/x
  3. Step 3: Cross multiply
    218,422,669.00x = 327,635,228.31 × 72,855,830.77
  4. Step 4: Simplify right side
    218,422,669.00x = 23,870,136,747,532,560
  5. Step 5: Solve for x
    x = 23,870,136,747,532,560/218,422,669.00
  6. Step 6: Final answer
    x = 109,284,154.69

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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.