Home / 220,174,434.30-330,261,651.45-66,820,244.70

Finding the Fourth Proportional to 220,174,434.30, 330,261,651.45 and 66,820,244.70

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Solution

The fourth proportional to 220,174,434.30, 330,261,651.45 and 66,820,244.70 is: 100,230,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,174,434.30 : 330,261,651.45 = 66,820,244.70 : x
  2. Step 2: Convert to fraction form
    220,174,434.30/330,261,651.45 = 66,820,244.70/x
  3. Step 3: Cross multiply
    220,174,434.30x = 330,261,651.45 × 66,820,244.70
  4. Step 4: Simplify right side
    220,174,434.30x = 22,068,164,364,915,112
  5. Step 5: Solve for x
    x = 22,068,164,364,915,112/220,174,434.30
  6. Step 6: Final answer
    x = 100,230,367.05

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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.