Home / 86,305,266.33-129,459,021.75-28,797,537.57

Finding the Fourth Proportional to 86,305,266.33, 129,459,021.75 and 28,797,537.57

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Solution

The fourth proportional to 86,305,266.33, 129,459,021.75 and 28,797,537.57 is: 43,196,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,305,266.33 : 129,459,021.75 = 28,797,537.57 : x
  2. Step 2: Convert to fraction form
    86,305,266.33/129,459,021.75 = 28,797,537.57/x
  3. Step 3: Cross multiply
    86,305,266.33x = 129,459,021.75 × 28,797,537.57
  4. Step 4: Simplify right side
    86,305,266.33x = 3,728,101,042,621,072
  5. Step 5: Solve for x
    x = 3,728,101,042,621,072/86,305,266.33
  6. Step 6: Final answer
    x = 43,196,680.82

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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.