Home / 72,225,857.25-108,337,531.05-29,093,958.09

Finding the Fourth Proportional to 72,225,857.25, 108,337,531.05 and 29,093,958.09

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Solution

The fourth proportional to 72,225,857.25, 108,337,531.05 and 29,093,958.09 is: 43,640,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,225,857.25 : 108,337,531.05 = 29,093,958.09 : x
  2. Step 2: Convert to fraction form
    72,225,857.25/108,337,531.05 = 29,093,958.09/x
  3. Step 3: Cross multiply
    72,225,857.25x = 108,337,531.05 × 29,093,958.09
  4. Step 4: Simplify right side
    72,225,857.25x = 3,151,967,587,942,773.50
  5. Step 5: Solve for x
    x = 3,151,967,587,942,773.50/72,225,857.25
  6. Step 6: Final answer
    x = 43,640,431.67

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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.