Home / 71,469,093.88-98,623,335.54-40,104,217.72

Finding the Fourth Proportional to 71,469,093.88, 98,623,335.54 and 40,104,217.72

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Solution

The fourth proportional to 71,469,093.88, 98,623,335.54 and 40,104,217.72 is: 55,341,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,469,093.88 : 98,623,335.54 = 40,104,217.72 : x
  2. Step 2: Convert to fraction form
    71,469,093.88/98,623,335.54 = 40,104,217.72/x
  3. Step 3: Cross multiply
    71,469,093.88x = 98,623,335.54 × 40,104,217.72
  4. Step 4: Simplify right side
    71,469,093.88x = 3,955,211,720,768,774
  5. Step 5: Solve for x
    x = 3,955,211,720,768,774/71,469,093.88
  6. Step 6: Final answer
    x = 55,341,568.03

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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.