Home / 118,431,946.80-177,647,920.20-67,413,610.80

Finding the Fourth Proportional to 118,431,946.80, 177,647,920.20 and 67,413,610.80

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Solution

The fourth proportional to 118,431,946.80, 177,647,920.20 and 67,413,610.80 is: 101,120,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,431,946.80 : 177,647,920.20 = 67,413,610.80 : x
  2. Step 2: Convert to fraction form
    118,431,946.80/177,647,920.20 = 67,413,610.80/x
  3. Step 3: Cross multiply
    118,431,946.80x = 177,647,920.20 × 67,413,610.80
  4. Step 4: Simplify right side
    118,431,946.80x = 11,975,887,751,792,256
  5. Step 5: Solve for x
    x = 11,975,887,751,792,256/118,431,946.80
  6. Step 6: Final answer
    x = 101,120,416.20

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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.