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Finding the Fourth Proportional to 49,762,964.60, 74,644,446.90 and 41,259,908.60

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Solution

The fourth proportional to 49,762,964.60, 74,644,446.90 and 41,259,908.60 is: 61,889,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762,964.60 : 74,644,446.90 = 41,259,908.60 : x
  2. Step 2: Convert to fraction form
    49,762,964.60/74,644,446.90 = 41,259,908.60/x
  3. Step 3: Cross multiply
    49,762,964.60x = 74,644,446.90 × 41,259,908.60
  4. Step 4: Simplify right side
    49,762,964.60x = 3,079,823,056,591,553.50
  5. Step 5: Solve for x
    x = 3,079,823,056,591,553.50/49,762,964.60
  6. Step 6: Final answer
    x = 61,889,862.90

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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.