Home / 86,379,212.10-118,568,798.61-76,370,406.60

Finding the Fourth Proportional to 86,379,212.10, 118,568,798.61 and 76,370,406.60

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Solution

The fourth proportional to 86,379,212.10, 118,568,798.61 and 76,370,406.60 is: 104,830,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,379,212.10 : 118,568,798.61 = 76,370,406.60 : x
  2. Step 2: Convert to fraction form
    86,379,212.10/118,568,798.61 = 76,370,406.60/x
  3. Step 3: Cross multiply
    86,379,212.10x = 118,568,798.61 × 76,370,406.60
  4. Step 4: Simplify right side
    86,379,212.10x = 9,055,147,359,919,214
  5. Step 5: Solve for x
    x = 9,055,147,359,919,214/86,379,212.10
  6. Step 6: Final answer
    x = 104,830,168.51

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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.