Home / 136,810,912.56-188,799,241.33-74,087,118.62

Finding the Fourth Proportional to 136,810,912.56, 188,799,241.33 and 74,087,118.62

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Solution

The fourth proportional to 136,810,912.56, 188,799,241.33 and 74,087,118.62 is: 102,240,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,810,912.56 : 188,799,241.33 = 74,087,118.62 : x
  2. Step 2: Convert to fraction form
    136,810,912.56/188,799,241.33 = 74,087,118.62/x
  3. Step 3: Cross multiply
    136,810,912.56x = 188,799,241.33 × 74,087,118.62
  4. Step 4: Simplify right side
    136,810,912.56x = 13,987,591,787,781,718
  5. Step 5: Solve for x
    x = 13,987,591,787,781,718/136,810,912.56
  6. Step 6: Final answer
    x = 102,240,322.25

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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.