Home / 168,940,969.32-253,448,778.66-61,232,793.96

Finding the Fourth Proportional to 168,940,969.32, 253,448,778.66 and 61,232,793.96

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Solution

The fourth proportional to 168,940,969.32, 253,448,778.66 and 61,232,793.96 is: 91,862,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,940,969.32 : 253,448,778.66 = 61,232,793.96 : x
  2. Step 2: Convert to fraction form
    168,940,969.32/253,448,778.66 = 61,232,793.96/x
  3. Step 3: Cross multiply
    168,940,969.32x = 253,448,778.66 × 61,232,793.96
  4. Step 4: Simplify right side
    168,940,969.32x = 15,519,376,843,101,424
  5. Step 5: Solve for x
    x = 15,519,376,843,101,424/168,940,969.32
  6. Step 6: Final answer
    x = 91,862,719.30

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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.