Home / 57,616,905.36-79,510,215.44-31,511,342.48

Finding the Fourth Proportional to 57,616,905.36, 79,510,215.44 and 31,511,342.48

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Solution

The fourth proportional to 57,616,905.36, 79,510,215.44 and 31,511,342.48 is: 43,485,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,616,905.36 : 79,510,215.44 = 31,511,342.48 : x
  2. Step 2: Convert to fraction form
    57,616,905.36/79,510,215.44 = 31,511,342.48/x
  3. Step 3: Cross multiply
    57,616,905.36x = 79,510,215.44 × 31,511,342.48
  4. Step 4: Simplify right side
    57,616,905.36x = 2,505,473,629,388,424
  5. Step 5: Solve for x
    x = 2,505,473,629,388,424/57,616,905.36
  6. Step 6: Final answer
    x = 43,485,043.39

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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.