Home / 128,246,616.80-192,393,253.20-41,961,010.40

Finding the Fourth Proportional to 128,246,616.80, 192,393,253.20 and 41,961,010.40

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Solution

The fourth proportional to 128,246,616.80, 192,393,253.20 and 41,961,010.40 is: 62,949,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,246,616.80 : 192,393,253.20 = 41,961,010.40 : x
  2. Step 2: Convert to fraction form
    128,246,616.80/192,393,253.20 = 41,961,010.40/x
  3. Step 3: Cross multiply
    128,246,616.80x = 192,393,253.20 × 41,961,010.40
  4. Step 4: Simplify right side
    128,246,616.80x = 8,073,015,298,415,032
  5. Step 5: Solve for x
    x = 8,073,015,298,415,032/128,246,616.80
  6. Step 6: Final answer
    x = 62,949,148.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.