Home / 86,084,282.12-129,151,580.36-27,790,592.33

Finding the Fourth Proportional to 86,084,282.12, 129,151,580.36 and 27,790,592.33

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Solution

The fourth proportional to 86,084,282.12, 129,151,580.36 and 27,790,592.33 is: 41,694,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,084,282.12 : 129,151,580.36 = 27,790,592.33 : x
  2. Step 2: Convert to fraction form
    86,084,282.12/129,151,580.36 = 27,790,592.33/x
  3. Step 3: Cross multiply
    86,084,282.12x = 129,151,580.36 × 27,790,592.33
  4. Step 4: Simplify right side
    86,084,282.12x = 3,589,198,918,743,920.50
  5. Step 5: Solve for x
    x = 3,589,198,918,743,920.50/86,084,282.12
  6. Step 6: Final answer
    x = 41,694,009.99

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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.