Home / 149,167,706.37-205,840,853.80-82,183,738.60

Finding the Fourth Proportional to 149,167,706.37, 205,840,853.80 and 82,183,738.60

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Solution

The fourth proportional to 149,167,706.37, 205,840,853.80 and 82,183,738.60 is: 113,407,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,167,706.37 : 205,840,853.80 = 82,183,738.60 : x
  2. Step 2: Convert to fraction form
    149,167,706.37/205,840,853.80 = 82,183,738.60/x
  3. Step 3: Cross multiply
    149,167,706.37x = 205,840,853.80 × 82,183,738.60
  4. Step 4: Simplify right side
    149,167,706.37x = 16,916,770,921,900,016
  5. Step 5: Solve for x
    x = 16,916,770,921,900,016/149,167,706.37
  6. Step 6: Final answer
    x = 113,407,729.69

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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.