Home / 141,465,788.75-195,222,797.48-78,740,536.41

Finding the Fourth Proportional to 141,465,788.75, 195,222,797.48 and 78,740,536.41

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Solution

The fourth proportional to 141,465,788.75, 195,222,797.48 and 78,740,536.41 is: 108,661,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,465,788.75 : 195,222,797.48 = 78,740,536.41 : x
  2. Step 2: Convert to fraction form
    141,465,788.75/195,222,797.48 = 78,740,536.41/x
  3. Step 3: Cross multiply
    141,465,788.75x = 195,222,797.48 × 78,740,536.41
  4. Step 4: Simplify right side
    141,465,788.75x = 15,371,947,793,339,880
  5. Step 5: Solve for x
    x = 15,371,947,793,339,880/141,465,788.75
  6. Step 6: Final answer
    x = 108,661,945.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.