Home / 84,217,791.11-126,338,737.05-25,930,400.63

Finding the Fourth Proportional to 84,217,791.11, 126,338,737.05 and 25,930,400.63

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Solution

The fourth proportional to 84,217,791.11, 126,338,737.05 and 25,930,400.63 is: 38,899,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,791.11 : 126,338,737.05 = 25,930,400.63 : x
  2. Step 2: Convert to fraction form
    84,217,791.11/126,338,737.05 = 25,930,400.63/x
  3. Step 3: Cross multiply
    84,217,791.11x = 126,338,737.05 × 25,930,400.63
  4. Step 4: Simplify right side
    84,217,791.11x = 3,276,014,066,163,030.50
  5. Step 5: Solve for x
    x = 3,276,014,066,163,030.50/84,217,791.11
  6. Step 6: Final answer
    x = 38,899,311.22

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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.