Home / 72,543,869.24-100,102,916.22-41,171,940.68

Finding the Fourth Proportional to 72,543,869.24, 100,102,916.22 and 41,171,940.68

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Solution

The fourth proportional to 72,543,869.24, 100,102,916.22 and 41,171,940.68 is: 56,812,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,543,869.24 : 100,102,916.22 = 41,171,940.68 : x
  2. Step 2: Convert to fraction form
    72,543,869.24/100,102,916.22 = 41,171,940.68/x
  3. Step 3: Cross multiply
    72,543,869.24x = 100,102,916.22 × 41,171,940.68
  4. Step 4: Simplify right side
    72,543,869.24x = 4,121,431,328,504,850
  5. Step 5: Solve for x
    x = 4,121,431,328,504,850/72,543,869.24
  6. Step 6: Final answer
    x = 56,812,951.55

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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.