Home / 76,433,781.09-114,642,085.77-21,109,481.19

Finding the Fourth Proportional to 76,433,781.09, 114,642,085.77 and 21,109,481.19

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Solution

The fourth proportional to 76,433,781.09, 114,642,085.77 and 21,109,481.19 is: 31,661,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,433,781.09 : 114,642,085.77 = 21,109,481.19 : x
  2. Step 2: Convert to fraction form
    76,433,781.09/114,642,085.77 = 21,109,481.19/x
  3. Step 3: Cross multiply
    76,433,781.09x = 114,642,085.77 × 21,109,481.19
  4. Step 4: Simplify right side
    76,433,781.09x = 2,420,034,953,144,181.50
  5. Step 5: Solve for x
    x = 2,420,034,953,144,181.50/76,433,781.09
  6. Step 6: Final answer
    x = 31,661,850.54

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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.