Home / 195,241,419.51-269,432,419.80-107,136,891.57

Finding the Fourth Proportional to 195,241,419.51, 269,432,419.80 and 107,136,891.57

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Solution

The fourth proportional to 195,241,419.51, 269,432,419.80 and 107,136,891.57 is: 147,848,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,241,419.51 : 269,432,419.80 = 107,136,891.57 : x
  2. Step 2: Convert to fraction form
    195,241,419.51/269,432,419.80 = 107,136,891.57/x
  3. Step 3: Cross multiply
    195,241,419.51x = 269,432,419.80 × 107,136,891.57
  4. Step 4: Simplify right side
    195,241,419.51x = 28,866,151,945,555,320
  5. Step 5: Solve for x
    x = 28,866,151,945,555,320/195,241,419.51
  6. Step 6: Final answer
    x = 147,848,504.78

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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.