Home / 108,627,201.78-149,868,853.29-61,579,231.26

Finding the Fourth Proportional to 108,627,201.78, 149,868,853.29 and 61,579,231.26

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Solution

The fourth proportional to 108,627,201.78, 149,868,853.29 and 61,579,231.26 is: 84,958,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,627,201.78 : 149,868,853.29 = 61,579,231.26 : x
  2. Step 2: Convert to fraction form
    108,627,201.78/149,868,853.29 = 61,579,231.26/x
  3. Step 3: Cross multiply
    108,627,201.78x = 149,868,853.29 × 61,579,231.26
  4. Step 4: Simplify right side
    108,627,201.78x = 9,228,808,775,415,922
  5. Step 5: Solve for x
    x = 9,228,808,775,415,922/108,627,201.78
  6. Step 6: Final answer
    x = 84,958,542.83

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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.