Home / 71,215,028.27-106,807,595.43-20,085,089.66

Finding the Fourth Proportional to 71,215,028.27, 106,807,595.43 and 20,085,089.66

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Solution

The fourth proportional to 71,215,028.27, 106,807,595.43 and 20,085,089.66 is: 30,123,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215,028.27 : 106,807,595.43 = 20,085,089.66 : x
  2. Step 2: Convert to fraction form
    71,215,028.27/106,807,595.43 = 20,085,089.66/x
  3. Step 3: Cross multiply
    71,215,028.27x = 106,807,595.43 × 20,085,089.66
  4. Step 4: Simplify right side
    71,215,028.27x = 2,145,240,130,580,556.50
  5. Step 5: Solve for x
    x = 2,145,240,130,580,556.50/71,215,028.27
  6. Step 6: Final answer
    x = 30,123,418.93

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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.