Home / 86,379,207.16-118,568,791.76-76,370,401.60

Finding the Fourth Proportional to 86,379,207.16, 118,568,791.76 and 76,370,401.60

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Solution

The fourth proportional to 86,379,207.16, 118,568,791.76 and 76,370,401.60 is: 104,830,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,379,207.16 : 118,568,791.76 = 76,370,401.60 : x
  2. Step 2: Convert to fraction form
    86,379,207.16/118,568,791.76 = 76,370,401.60/x
  3. Step 3: Cross multiply
    86,379,207.16x = 118,568,791.76 × 76,370,401.60
  4. Step 4: Simplify right side
    86,379,207.16x = 9,055,146,243,937,970
  5. Step 5: Solve for x
    x = 9,055,146,243,937,970/86,379,207.16
  6. Step 6: Final answer
    x = 104,830,161.58

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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.