Home / 217,747,272.40-326,613,910.20-72,187,550.80

Finding the Fourth Proportional to 217,747,272.40, 326,613,910.20 and 72,187,550.80

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Solution

The fourth proportional to 217,747,272.40, 326,613,910.20 and 72,187,550.80 is: 108,279,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747,272.40 : 326,613,910.20 = 72,187,550.80 : x
  2. Step 2: Convert to fraction form
    217,747,272.40/326,613,910.20 = 72,187,550.80/x
  3. Step 3: Cross multiply
    217,747,272.40x = 326,613,910.20 × 72,187,550.80
  4. Step 4: Simplify right side
    217,747,272.40x = 23,577,458,234,549,136
  5. Step 5: Solve for x
    x = 23,577,458,234,549,136/217,747,272.40
  6. Step 6: Final answer
    x = 108,279,006.09

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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.