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Finding the Fourth Proportional to 222,470,917.20, 333,706,375.80 and 153,596,163.60

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Solution

The fourth proportional to 222,470,917.20, 333,706,375.80 and 153,596,163.60 is: 230,394,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,470,917.20 : 333,706,375.80 = 153,596,163.60 : x
  2. Step 2: Convert to fraction form
    222,470,917.20/333,706,375.80 = 153,596,163.60/x
  3. Step 3: Cross multiply
    222,470,917.20x = 333,706,375.80 × 153,596,163.60
  4. Step 4: Simplify right side
    222,470,917.20x = 51,256,019,091,739,880
  5. Step 5: Solve for x
    x = 51,256,019,091,739,880/222,470,917.20
  6. Step 6: Final answer
    x = 230,394,245.40

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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.