Home / 71,168,049-106,756,757.55-18,647,006.52

Finding the Fourth Proportional to 71,168,049, 106,756,757.55 and 18,647,006.52

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Solution

The fourth proportional to 71,168,049, 106,756,757.55 and 18,647,006.52 is: 27,971,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,168,049 : 106,756,757.55 = 18,647,006.52 : x
  2. Step 2: Convert to fraction form
    71,168,049/106,756,757.55 = 18,647,006.52/x
  3. Step 3: Cross multiply
    71,168,049x = 106,756,757.55 × 18,647,006.52
  4. Step 4: Simplify right side
    71,168,049x = 1,990,693,954,088,909
  5. Step 5: Solve for x
    x = 1,990,693,954,088,909/71,168,049
  6. Step 6: Final answer
    x = 27,971,737.07

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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.