Home / 209,547,523.75-287,081,409.82-201,693,120.61

Finding the Fourth Proportional to 209,547,523.75, 287,081,409.82 and 201,693,120.61

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Solution

The fourth proportional to 209,547,523.75, 287,081,409.82 and 201,693,120.61 is: 276,320,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,547,523.75 : 287,081,409.82 = 201,693,120.61 : x
  2. Step 2: Convert to fraction form
    209,547,523.75/287,081,409.82 = 201,693,120.61/x
  3. Step 3: Cross multiply
    209,547,523.75x = 287,081,409.82 × 201,693,120.61
  4. Step 4: Simplify right side
    209,547,523.75x = 57,902,345,415,714,104
  5. Step 5: Solve for x
    x = 57,902,345,415,714,104/209,547,523.75
  6. Step 6: Final answer
    x = 276,320,828.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.