Home / 218,422,703.66-327,635,280.36-72,855,865.42

Finding the Fourth Proportional to 218,422,703.66, 327,635,280.36 and 72,855,865.42

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Solution

The fourth proportional to 218,422,703.66, 327,635,280.36 and 72,855,865.42 is: 109,284,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422,703.66 : 327,635,280.36 = 72,855,865.42 : x
  2. Step 2: Convert to fraction form
    218,422,703.66/327,635,280.36 = 72,855,865.42/x
  3. Step 3: Cross multiply
    218,422,703.66x = 327,635,280.36 × 72,855,865.42
  4. Step 4: Simplify right side
    218,422,703.66x = 23,870,151,891,933,044
  5. Step 5: Solve for x
    x = 23,870,151,891,933,044/218,422,703.66
  6. Step 6: Final answer
    x = 109,284,206.69

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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.