Home / 107,872,215.40-161,813,046.30-31,202,993.80

Finding the Fourth Proportional to 107,872,215.40, 161,813,046.30 and 31,202,993.80

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Solution

The fourth proportional to 107,872,215.40, 161,813,046.30 and 31,202,993.80 is: 46,805,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,872,215.40 : 161,813,046.30 = 31,202,993.80 : x
  2. Step 2: Convert to fraction form
    107,872,215.40/161,813,046.30 = 31,202,993.80/x
  3. Step 3: Cross multiply
    107,872,215.40x = 161,813,046.30 × 31,202,993.80
  4. Step 4: Simplify right side
    107,872,215.40x = 5,049,051,480,458,013
  5. Step 5: Solve for x
    x = 5,049,051,480,458,013/107,872,215.40
  6. Step 6: Final answer
    x = 46,805,856.93

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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.