Home / 108,631,023.85-149,906,249.54-61,591,261.85

Finding the Fourth Proportional to 108,631,023.85, 149,906,249.54 and 61,591,261.85

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Solution

The fourth proportional to 108,631,023.85, 149,906,249.54 and 61,591,261.85 is: 84,993,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,631,023.85 : 149,906,249.54 = 61,591,261.85 : x
  2. Step 2: Convert to fraction form
    108,631,023.85/149,906,249.54 = 61,591,261.85/x
  3. Step 3: Cross multiply
    108,631,023.85x = 149,906,249.54 × 61,591,261.85
  4. Step 4: Simplify right side
    108,631,023.85x = 9,232,915,068,523,560
  5. Step 5: Solve for x
    x = 9,232,915,068,523,560/108,631,023.85
  6. Step 6: Final answer
    x = 84,993,354.03

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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.