Home / 69,482,754.54-104,224,880.21-20,961,028.71

Finding the Fourth Proportional to 69,482,754.54, 104,224,880.21 and 20,961,028.71

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Solution

The fourth proportional to 69,482,754.54, 104,224,880.21 and 20,961,028.71 is: 31,441,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,482,754.54 : 104,224,880.21 = 20,961,028.71 : x
  2. Step 2: Convert to fraction form
    69,482,754.54/104,224,880.21 = 20,961,028.71/x
  3. Step 3: Cross multiply
    69,482,754.54x = 104,224,880.21 × 20,961,028.71
  4. Step 4: Simplify right side
    69,482,754.54x = 2,184,660,706,273,315.75
  5. Step 5: Solve for x
    x = 2,184,660,706,273,315.75/69,482,754.54
  6. Step 6: Final answer
    x = 31,441,768.84

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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.