Home / 144,591,471.33-199,541,951.74-81,012,358.95

Finding the Fourth Proportional to 144,591,471.33, 199,541,951.74 and 81,012,358.95

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Solution

The fourth proportional to 144,591,471.33, 199,541,951.74 and 81,012,358.95 is: 111,800,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,591,471.33 : 199,541,951.74 = 81,012,358.95 : x
  2. Step 2: Convert to fraction form
    144,591,471.33/199,541,951.74 = 81,012,358.95/x
  3. Step 3: Cross multiply
    144,591,471.33x = 199,541,951.74 × 81,012,358.95
  4. Step 4: Simplify right side
    144,591,471.33x = 16,165,364,219,848,580
  5. Step 5: Solve for x
    x = 16,165,364,219,848,580/144,591,471.33
  6. Step 6: Final answer
    x = 111,800,260.91

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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.