Home / 85,590,204.30-118,104,517.34-47,915,431.26

Finding the Fourth Proportional to 85,590,204.30, 118,104,517.34 and 47,915,431.26

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Solution

The fourth proportional to 85,590,204.30, 118,104,517.34 and 47,915,431.26 is: 66,117,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590,204.30 : 118,104,517.34 = 47,915,431.26 : x
  2. Step 2: Convert to fraction form
    85,590,204.30/118,104,517.34 = 47,915,431.26/x
  3. Step 3: Cross multiply
    85,590,204.30x = 118,104,517.34 × 47,915,431.26
  4. Step 4: Simplify right side
    85,590,204.30x = 5,659,028,882,040,354
  5. Step 5: Solve for x
    x = 5,659,028,882,040,354/85,590,204.30
  6. Step 6: Final answer
    x = 66,117,716.72

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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.