Home / 108,630,957.78-149,906,158.46-61,591,195.78

Finding the Fourth Proportional to 108,630,957.78, 149,906,158.46 and 61,591,195.78

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Solution

The fourth proportional to 108,630,957.78, 149,906,158.46 and 61,591,195.78 is: 84,993,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,957.78 : 149,906,158.46 = 61,591,195.78 : x
  2. Step 2: Convert to fraction form
    108,630,957.78/149,906,158.46 = 61,591,195.78/x
  3. Step 3: Cross multiply
    108,630,957.78x = 149,906,158.46 × 61,591,195.78
  4. Step 4: Simplify right side
    108,630,957.78x = 9,232,899,554,029,608
  5. Step 5: Solve for x
    x = 9,232,899,554,029,608/108,630,957.78
  6. Step 6: Final answer
    x = 84,993,262.90

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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.