Home / 108,630,965.96-149,906,169.74-61,591,203.96

Finding the Fourth Proportional to 108,630,965.96, 149,906,169.74 and 61,591,203.96

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Solution

The fourth proportional to 108,630,965.96, 149,906,169.74 and 61,591,203.96 is: 84,993,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,965.96 : 149,906,169.74 = 61,591,203.96 : x
  2. Step 2: Convert to fraction form
    108,630,965.96/149,906,169.74 = 61,591,203.96/x
  3. Step 3: Cross multiply
    108,630,965.96x = 149,906,169.74 × 61,591,203.96
  4. Step 4: Simplify right side
    108,630,965.96x = 9,232,901,475,318,720
  5. Step 5: Solve for x
    x = 9,232,901,475,318,720/108,630,965.96
  6. Step 6: Final answer
    x = 84,993,274.19

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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.