Home / 71,215,027.27-106,807,593.93-20,085,088.66

Finding the Fourth Proportional to 71,215,027.27, 106,807,593.93 and 20,085,088.66

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Solution

The fourth proportional to 71,215,027.27, 106,807,593.93 and 20,085,088.66 is: 30,123,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215,027.27 : 106,807,593.93 = 20,085,088.66 : x
  2. Step 2: Convert to fraction form
    71,215,027.27/106,807,593.93 = 20,085,088.66/x
  3. Step 3: Cross multiply
    71,215,027.27x = 106,807,593.93 × 20,085,088.66
  4. Step 4: Simplify right side
    71,215,027.27x = 2,145,239,993,645,328
  5. Step 5: Solve for x
    x = 2,145,239,993,645,328/71,215,027.27
  6. Step 6: Final answer
    x = 30,123,417.43

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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.