Home / 220,174,433.80-330,261,650.70-66,820,244.20

Finding the Fourth Proportional to 220,174,433.80, 330,261,650.70 and 66,820,244.20

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Solution

The fourth proportional to 220,174,433.80, 330,261,650.70 and 66,820,244.20 is: 100,230,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,174,433.80 : 330,261,650.70 = 66,820,244.20 : x
  2. Step 2: Convert to fraction form
    220,174,433.80/330,261,650.70 = 66,820,244.20/x
  3. Step 3: Cross multiply
    220,174,433.80x = 330,261,650.70 × 66,820,244.20
  4. Step 4: Simplify right side
    220,174,433.80x = 22,068,164,149,669,100
  5. Step 5: Solve for x
    x = 22,068,164,149,669,100/220,174,433.80
  6. Step 6: Final answer
    x = 100,230,366.30

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1.5x scale

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.