Home / 136,945,140.84-188,874,099.97-120,389,867.95

Finding the Fourth Proportional to 136,945,140.84, 188,874,099.97 and 120,389,867.95

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Solution

The fourth proportional to 136,945,140.84, 188,874,099.97 and 120,389,867.95 is: 166,041,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,945,140.84 : 188,874,099.97 = 120,389,867.95 : x
  2. Step 2: Convert to fraction form
    136,945,140.84/188,874,099.97 = 120,389,867.95/x
  3. Step 3: Cross multiply
    136,945,140.84x = 188,874,099.97 × 120,389,867.95
  4. Step 4: Simplify right side
    136,945,140.84x = 22,738,527,954,563,400
  5. Step 5: Solve for x
    x = 22,738,527,954,563,400/136,945,140.84
  6. Step 6: Final answer
    x = 166,041,144.76

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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.