Home / 209,626,608.56-289,280,844.96-114,257,939.12

Finding the Fourth Proportional to 209,626,608.56, 289,280,844.96 and 114,257,939.12

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Solution

The fourth proportional to 209,626,608.56, 289,280,844.96 and 114,257,939.12 is: 157,673,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,626,608.56 : 289,280,844.96 = 114,257,939.12 : x
  2. Step 2: Convert to fraction form
    209,626,608.56/289,280,844.96 = 114,257,939.12/x
  3. Step 3: Cross multiply
    209,626,608.56x = 289,280,844.96 × 114,257,939.12
  4. Step 4: Simplify right side
    209,626,608.56x = 33,052,633,172,021,836
  5. Step 5: Solve for x
    x = 33,052,633,172,021,836/209,626,608.56
  6. Step 6: Final answer
    x = 157,673,843.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.