Home / 220,174,558.80-330,261,838.20-66,820,369.20

Finding the Fourth Proportional to 220,174,558.80, 330,261,838.20 and 66,820,369.20

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Solution

The fourth proportional to 220,174,558.80, 330,261,838.20 and 66,820,369.20 is: 100,230,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,174,558.80 : 330,261,838.20 = 66,820,369.20 : x
  2. Step 2: Convert to fraction form
    220,174,558.80/330,261,838.20 = 66,820,369.20/x
  3. Step 3: Cross multiply
    220,174,558.80x = 330,261,838.20 × 66,820,369.20
  4. Step 4: Simplify right side
    220,174,558.80x = 22,068,217,961,194,664
  5. Step 5: Solve for x
    x = 22,068,217,961,194,664/220,174,558.80
  6. Step 6: Final answer
    x = 100,230,553.80

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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.