Home / 117,954,578.82-162,778,074.18-65,746,924.68

Finding the Fourth Proportional to 117,954,578.82, 162,778,074.18 and 65,746,924.68

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Solution

The fourth proportional to 117,954,578.82, 162,778,074.18 and 65,746,924.68 is: 90,731,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954,578.82 : 162,778,074.18 = 65,746,924.68 : x
  2. Step 2: Convert to fraction form
    117,954,578.82/162,778,074.18 = 65,746,924.68/x
  3. Step 3: Cross multiply
    117,954,578.82x = 162,778,074.18 × 65,746,924.68
  4. Step 4: Simplify right side
    117,954,578.82x = 10,702,157,782,667,914
  5. Step 5: Solve for x
    x = 10,702,157,782,667,914/117,954,578.82
  6. Step 6: Final answer
    x = 90,731,177.12

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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.