Home / 91,899,578.58-126,821,438.42-50,083,653.80

Finding the Fourth Proportional to 91,899,578.58, 126,821,438.42 and 50,083,653.80

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Solution

The fourth proportional to 91,899,578.58, 126,821,438.42 and 50,083,653.80 is: 69,115,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,899,578.58 : 126,821,438.42 = 50,083,653.80 : x
  2. Step 2: Convert to fraction form
    91,899,578.58/126,821,438.42 = 50,083,653.80/x
  3. Step 3: Cross multiply
    91,899,578.58x = 126,821,438.42 × 50,083,653.80
  4. Step 4: Simplify right side
    91,899,578.58x = 6,351,681,015,360,774
  5. Step 5: Solve for x
    x = 6,351,681,015,360,774/91,899,578.58
  6. Step 6: Final answer
    x = 69,115,453.12

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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.