Home / 165,888,019.20-248,832,028.80-143,194,540.80

Finding the Fourth Proportional to 165,888,019.20, 248,832,028.80 and 143,194,540.80

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Solution

The fourth proportional to 165,888,019.20, 248,832,028.80 and 143,194,540.80 is: 214,791,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,019.20 : 248,832,028.80 = 143,194,540.80 : x
  2. Step 2: Convert to fraction form
    165,888,019.20/248,832,028.80 = 143,194,540.80/x
  3. Step 3: Cross multiply
    165,888,019.20x = 248,832,028.80 × 143,194,540.80
  4. Step 4: Simplify right side
    165,888,019.20x = 35,631,388,100,348,380
  5. Step 5: Solve for x
    x = 35,631,388,100,348,380/165,888,019.20
  6. Step 6: Final answer
    x = 214,791,811.20

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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.