Home / 111,741,516.20-154,202,068.56-61,504,660.71

Finding the Fourth Proportional to 111,741,516.20, 154,202,068.56 and 61,504,660.71

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Solution

The fourth proportional to 111,741,516.20, 154,202,068.56 and 61,504,660.71 is: 84,875,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,741,516.20 : 154,202,068.56 = 61,504,660.71 : x
  2. Step 2: Convert to fraction form
    111,741,516.20/154,202,068.56 = 61,504,660.71/x
  3. Step 3: Cross multiply
    111,741,516.20x = 154,202,068.56 × 61,504,660.71
  4. Step 4: Simplify right side
    111,741,516.20x = 9,484,145,907,562,958
  5. Step 5: Solve for x
    x = 9,484,145,907,562,958/111,741,516.20
  6. Step 6: Final answer
    x = 84,875,758.18

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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.