Home / 111,741,516.70-154,202,069.25-61,504,661.21

Finding the Fourth Proportional to 111,741,516.70, 154,202,069.25 and 61,504,661.21

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Solution

The fourth proportional to 111,741,516.70, 154,202,069.25 and 61,504,661.21 is: 84,875,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,741,516.70 : 154,202,069.25 = 61,504,661.21 : x
  2. Step 2: Convert to fraction form
    111,741,516.70/154,202,069.25 = 61,504,661.21/x
  3. Step 3: Cross multiply
    111,741,516.70x = 154,202,069.25 × 61,504,661.21
  4. Step 4: Simplify right side
    111,741,516.70x = 9,484,146,027,102,208
  5. Step 5: Solve for x
    x = 9,484,146,027,102,208/111,741,516.70
  6. Step 6: Final answer
    x = 84,875,758.87

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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.