Home / 220,174,513.80-330,261,770.70-66,820,324.20

Finding the Fourth Proportional to 220,174,513.80, 330,261,770.70 and 66,820,324.20

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Solution

The fourth proportional to 220,174,513.80, 330,261,770.70 and 66,820,324.20 is: 100,230,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,174,513.80 : 330,261,770.70 = 66,820,324.20 : x
  2. Step 2: Convert to fraction form
    220,174,513.80/330,261,770.70 = 66,820,324.20/x
  3. Step 3: Cross multiply
    220,174,513.80x = 330,261,770.70 × 66,820,324.20
  4. Step 4: Simplify right side
    220,174,513.80x = 22,068,198,589,040,060
  5. Step 5: Solve for x
    x = 22,068,198,589,040,060/220,174,513.80
  6. Step 6: Final answer
    x = 100,230,486.30

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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.