Home / 108,627,205.78-149,868,858.80-61,579,235.26

Finding the Fourth Proportional to 108,627,205.78, 149,868,858.80 and 61,579,235.26

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Solution

The fourth proportional to 108,627,205.78, 149,868,858.80 and 61,579,235.26 is: 84,958,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,627,205.78 : 149,868,858.80 = 61,579,235.26 : x
  2. Step 2: Convert to fraction form
    108,627,205.78/149,868,858.80 = 61,579,235.26/x
  3. Step 3: Cross multiply
    108,627,205.78x = 149,868,858.80 × 61,579,235.26
  4. Step 4: Simplify right side
    108,627,205.78x = 9,228,809,714,192,922
  5. Step 5: Solve for x
    x = 9,228,809,714,192,922/108,627,205.78
  6. Step 6: Final answer
    x = 84,958,548.35

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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.