Home / 144,591,474.33-199,541,955.89-81,012,361.95

Finding the Fourth Proportional to 144,591,474.33, 199,541,955.89 and 81,012,361.95

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Solution

The fourth proportional to 144,591,474.33, 199,541,955.89 and 81,012,361.95 is: 111,800,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,591,474.33 : 199,541,955.89 = 81,012,361.95 : x
  2. Step 2: Convert to fraction form
    144,591,474.33/199,541,955.89 = 81,012,361.95/x
  3. Step 3: Cross multiply
    144,591,474.33x = 199,541,955.89 × 81,012,361.95
  4. Step 4: Simplify right side
    144,591,474.33x = 16,165,365,154,366,552
  5. Step 5: Solve for x
    x = 16,165,365,154,366,552/144,591,474.33
  6. Step 6: Final answer
    x = 111,800,265.05

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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.