Home / 215,897,778.34-323,846,406.87-70,331,102.26

Finding the Fourth Proportional to 215,897,778.34, 323,846,406.87 and 70,331,102.26

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Solution

The fourth proportional to 215,897,778.34, 323,846,406.87 and 70,331,102.26 is: 105,496,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,897,778.34 : 323,846,406.87 = 70,331,102.26 : x
  2. Step 2: Convert to fraction form
    215,897,778.34/323,846,406.87 = 70,331,102.26/x
  3. Step 3: Cross multiply
    215,897,778.34x = 323,846,406.87 × 70,331,102.26
  4. Step 4: Simplify right side
    215,897,778.34x = 22,776,474,758,107,540
  5. Step 5: Solve for x
    x = 22,776,474,758,107,540/215,897,778.34
  6. Step 6: Final answer
    x = 105,496,568.48

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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.