Home / 140,612,802.97-210,949,321.34-43,566,361.69

Finding the Fourth Proportional to 140,612,802.97, 210,949,321.34 and 43,566,361.69

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Solution

The fourth proportional to 140,612,802.97, 210,949,321.34 and 43,566,361.69 is: 65,358,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,612,802.97 : 210,949,321.34 = 43,566,361.69 : x
  2. Step 2: Convert to fraction form
    140,612,802.97/210,949,321.34 = 43,566,361.69/x
  3. Step 3: Cross multiply
    140,612,802.97x = 210,949,321.34 × 43,566,361.69
  4. Step 4: Simplify right side
    140,612,802.97x = 9,190,294,431,540,644
  5. Step 5: Solve for x
    x = 9,190,294,431,540,644/140,612,802.97
  6. Step 6: Final answer
    x = 65,358,873.71

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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.