Home / 86,379,213.60-118,568,800.67-76,370,408.10

Finding the Fourth Proportional to 86,379,213.60, 118,568,800.67 and 76,370,408.10

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Solution

The fourth proportional to 86,379,213.60, 118,568,800.67 and 76,370,408.10 is: 104,830,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,379,213.60 : 118,568,800.67 = 76,370,408.10 : x
  2. Step 2: Convert to fraction form
    86,379,213.60/118,568,800.67 = 76,370,408.10/x
  3. Step 3: Cross multiply
    86,379,213.60x = 118,568,800.67 × 76,370,408.10
  4. Step 4: Simplify right side
    86,379,213.60x = 9,055,147,694,713,602
  5. Step 5: Solve for x
    x = 9,055,147,694,713,602/86,379,213.60
  6. Step 6: Final answer
    x = 104,830,170.56

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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.