Home / 81,449,256.70-122,173,885.05-73,229,635.90

Finding the Fourth Proportional to 81,449,256.70, 122,173,885.05 and 73,229,635.90

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Solution

The fourth proportional to 81,449,256.70, 122,173,885.05 and 73,229,635.90 is: 109,844,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,449,256.70 : 122,173,885.05 = 73,229,635.90 : x
  2. Step 2: Convert to fraction form
    81,449,256.70/122,173,885.05 = 73,229,635.90/x
  3. Step 3: Cross multiply
    81,449,256.70x = 122,173,885.05 × 73,229,635.90
  4. Step 4: Simplify right side
    81,449,256.70x = 8,946,749,118,699,954
  5. Step 5: Solve for x
    x = 8,946,749,118,699,954/81,449,256.70
  6. Step 6: Final answer
    x = 109,844,453.85

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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.