Home / 220,470,786.78-330,707,046.76-89,315,539.74

Finding the Fourth Proportional to 220,470,786.78, 330,707,046.76 and 89,315,539.74

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Solution

The fourth proportional to 220,470,786.78, 330,707,046.76 and 89,315,539.74 is: 133,973,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,470,786.78 : 330,707,046.76 = 89,315,539.74 : x
  2. Step 2: Convert to fraction form
    220,470,786.78/330,707,046.76 = 89,315,539.74/x
  3. Step 3: Cross multiply
    220,470,786.78x = 330,707,046.76 × 89,315,539.74
  4. Step 4: Simplify right side
    220,470,786.78x = 29,537,278,377,190,816
  5. Step 5: Solve for x
    x = 29,537,278,377,190,816/220,470,786.78
  6. Step 6: Final answer
    x = 133,973,660.68

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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.