Home / 71,381,258.82-98,505,794.25-40,441,361.58

Finding the Fourth Proportional to 71,381,258.82, 98,505,794.25 and 40,441,361.58

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Solution

The fourth proportional to 71,381,258.82, 98,505,794.25 and 40,441,361.58 is: 55,808,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,381,258.82 : 98,505,794.25 = 40,441,361.58 : x
  2. Step 2: Convert to fraction form
    71,381,258.82/98,505,794.25 = 40,441,361.58/x
  3. Step 3: Cross multiply
    71,381,258.82x = 98,505,794.25 × 40,441,361.58
  4. Step 4: Simplify right side
    71,381,258.82x = 3,983,708,442,989,334.50
  5. Step 5: Solve for x
    x = 3,983,708,442,989,334.50/71,381,258.82
  6. Step 6: Final answer
    x = 55,808,884.70

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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.