Home / 168,694,691.78-253,053,140.36-44,200,368.78

Finding the Fourth Proportional to 168,694,691.78, 253,053,140.36 and 44,200,368.78

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Solution

The fourth proportional to 168,694,691.78, 253,053,140.36 and 44,200,368.78 is: 66,303,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,694,691.78 : 253,053,140.36 = 44,200,368.78 : x
  2. Step 2: Convert to fraction form
    168,694,691.78/253,053,140.36 = 44,200,368.78/x
  3. Step 3: Cross multiply
    168,694,691.78x = 253,053,140.36 × 44,200,368.78
  4. Step 4: Simplify right side
    168,694,691.78x = 11,185,042,123,758,690
  5. Step 5: Solve for x
    x = 11,185,042,123,758,690/168,694,691.78
  6. Step 6: Final answer
    x = 66,303,462.23

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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.