Home / 107,876,736.80-161,836,100.40-31,202,266.40

Finding the Fourth Proportional to 107,876,736.80, 161,836,100.40 and 31,202,266.40

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Solution

The fourth proportional to 107,876,736.80, 161,836,100.40 and 31,202,266.40 is: 46,809,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,876,736.80 : 161,836,100.40 = 31,202,266.40 : x
  2. Step 2: Convert to fraction form
    107,876,736.80/161,836,100.40 = 31,202,266.40/x
  3. Step 3: Cross multiply
    107,876,736.80x = 161,836,100.40 × 31,202,266.40
  4. Step 4: Simplify right side
    107,876,736.80x = 5,049,653,117,817,947
  5. Step 5: Solve for x
    x = 5,049,653,117,817,947/107,876,736.80
  6. Step 6: Final answer
    x = 46,809,472.25

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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.