Home / 220,008,086.80-329,508,245.40-112,176,739.60

Finding the Fourth Proportional to 220,008,086.80, 329,508,245.40 and 112,176,739.60

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Solution

The fourth proportional to 220,008,086.80, 329,508,245.40 and 112,176,739.60 is: 168,008,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,008,086.80 : 329,508,245.40 = 112,176,739.60 : x
  2. Step 2: Convert to fraction form
    220,008,086.80/329,508,245.40 = 112,176,739.60/x
  3. Step 3: Cross multiply
    220,008,086.80x = 329,508,245.40 × 112,176,739.60
  4. Step 4: Simplify right side
    220,008,086.80x = 36,963,160,640,288,696
  5. Step 5: Solve for x
    x = 36,963,160,640,288,696/220,008,086.80
  6. Step 6: Final answer
    x = 168,008,190.87

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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.