Home / 209,661,682.73-289,354,645.62-126,057,046.73

Finding the Fourth Proportional to 209,661,682.73, 289,354,645.62 and 126,057,046.73

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Solution

The fourth proportional to 209,661,682.73, 289,354,645.62 and 126,057,046.73 is: 173,971,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,661,682.73 : 289,354,645.62 = 126,057,046.73 : x
  2. Step 2: Convert to fraction form
    209,661,682.73/289,354,645.62 = 126,057,046.73/x
  3. Step 3: Cross multiply
    209,661,682.73x = 289,354,645.62 × 126,057,046.73
  4. Step 4: Simplify right side
    209,661,682.73x = 36,475,192,083,016,152
  5. Step 5: Solve for x
    x = 36,475,192,083,016,152/209,661,682.73
  6. Step 6: Final answer
    x = 173,971,665.25

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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.