Home / 68,947,540.53-103,538,455.62-46,065,517.21

Finding the Fourth Proportional to 68,947,540.53, 103,538,455.62 and 46,065,517.21

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Solution

The fourth proportional to 68,947,540.53, 103,538,455.62 and 46,065,517.21 is: 69,176,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947,540.53 : 103,538,455.62 = 46,065,517.21 : x
  2. Step 2: Convert to fraction form
    68,947,540.53/103,538,455.62 = 46,065,517.21/x
  3. Step 3: Cross multiply
    68,947,540.53x = 103,538,455.62 × 46,065,517.21
  4. Step 4: Simplify right side
    68,947,540.53x = 4,769,552,509,259,932
  5. Step 5: Solve for x
    x = 4,769,552,509,259,932/68,947,540.53
  6. Step 6: Final answer
    x = 69,176,543.10

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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.