Home / 106,113,867.32-159,188,078.22-31,338,665.60

Finding the Fourth Proportional to 106,113,867.32, 159,188,078.22 and 31,338,665.60

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Solution

The fourth proportional to 106,113,867.32, 159,188,078.22 and 31,338,665.60 is: 47,013,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,113,867.32 : 159,188,078.22 = 31,338,665.60 : x
  2. Step 2: Convert to fraction form
    106,113,867.32/159,188,078.22 = 31,338,665.60/x
  3. Step 3: Cross multiply
    106,113,867.32x = 159,188,078.22 × 31,338,665.60
  4. Step 4: Simplify right side
    106,113,867.32x = 4,988,741,950,843,223
  5. Step 5: Solve for x
    x = 4,988,741,950,843,223/106,113,867.32
  6. Step 6: Final answer
    x = 47,013,100.90

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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.