Home / 82,687,845-124,033,082.82-46,032,716.88

Finding the Fourth Proportional to 82,687,845, 124,033,082.82 and 46,032,716.88

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Solution

The fourth proportional to 82,687,845, 124,033,082.82 and 46,032,716.88 is: 69,049,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,687,845 : 124,033,082.82 = 46,032,716.88 : x
  2. Step 2: Convert to fraction form
    82,687,845/124,033,082.82 = 46,032,716.88/x
  3. Step 3: Cross multiply
    82,687,845x = 124,033,082.82 × 46,032,716.88
  4. Step 4: Simplify right side
    82,687,845x = 5,709,579,785,206,652
  5. Step 5: Solve for x
    x = 5,709,579,785,206,652/82,687,845
  6. Step 6: Final answer
    x = 69,049,807.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.