Home / 111,617,508.09-154,040,787.62-66,965,160.54

Finding the Fourth Proportional to 111,617,508.09, 154,040,787.62 and 66,965,160.54

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Solution

The fourth proportional to 111,617,508.09, 154,040,787.62 and 66,965,160.54 is: 92,417,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,617,508.09 : 154,040,787.62 = 66,965,160.54 : x
  2. Step 2: Convert to fraction form
    111,617,508.09/154,040,787.62 = 66,965,160.54/x
  3. Step 3: Cross multiply
    111,617,508.09x = 154,040,787.62 × 66,965,160.54
  4. Step 4: Simplify right side
    111,617,508.09x = 10,315,366,072,346,520
  5. Step 5: Solve for x
    x = 10,315,366,072,346,520/111,617,508.09
  6. Step 6: Final answer
    x = 92,417,097.00

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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.