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Finding the Fourth Proportional to 222,739,709.80, 334,109,564.70 and 120,703,037.80

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Solution

The fourth proportional to 222,739,709.80, 334,109,564.70 and 120,703,037.80 is: 181,054,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,739,709.80 : 334,109,564.70 = 120,703,037.80 : x
  2. Step 2: Convert to fraction form
    222,739,709.80/334,109,564.70 = 120,703,037.80/x
  3. Step 3: Cross multiply
    222,739,709.80x = 334,109,564.70 × 120,703,037.80
  4. Step 4: Simplify right side
    222,739,709.80x = 40,328,039,417,325,640
  5. Step 5: Solve for x
    x = 40,328,039,417,325,640/222,739,709.80
  6. Step 6: Final answer
    x = 181,054,556.70

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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.