Home / 29,145,311.70-43,717,967.55-20,635,257.30

Finding the Fourth Proportional to 29,145,311.70, 43,717,967.55 and 20,635,257.30

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Solution

The fourth proportional to 29,145,311.70, 43,717,967.55 and 20,635,257.30 is: 30,952,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145,311.70 : 43,717,967.55 = 20,635,257.30 : x
  2. Step 2: Convert to fraction form
    29,145,311.70/43,717,967.55 = 20,635,257.30/x
  3. Step 3: Cross multiply
    29,145,311.70x = 43,717,967.55 × 20,635,257.30
  4. Step 4: Simplify right side
    29,145,311.70x = 902,131,509,027,300.62
  5. Step 5: Solve for x
    x = 902,131,509,027,300.62/29,145,311.70
  6. Step 6: Final answer
    x = 30,952,885.95

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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.