Home / 80,430,382.53-110,990,612.16-43,761,099.33

Finding the Fourth Proportional to 80,430,382.53, 110,990,612.16 and 43,761,099.33

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Solution

The fourth proportional to 80,430,382.53, 110,990,612.16 and 43,761,099.33 is: 60,388,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,430,382.53 : 110,990,612.16 = 43,761,099.33 : x
  2. Step 2: Convert to fraction form
    80,430,382.53/110,990,612.16 = 43,761,099.33/x
  3. Step 3: Cross multiply
    80,430,382.53x = 110,990,612.16 × 43,761,099.33
  4. Step 4: Simplify right side
    80,430,382.53x = 4,857,071,203,431,265
  5. Step 5: Solve for x
    x = 4,857,071,203,431,265/80,430,382.53
  6. Step 6: Final answer
    x = 60,388,513.03

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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.