Home / 72,910,820.10-109,408,220.55-27,505,200.90

Finding the Fourth Proportional to 72,910,820.10, 109,408,220.55 and 27,505,200.90

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Solution

The fourth proportional to 72,910,820.10, 109,408,220.55 and 27,505,200.90 is: 41,273,641.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,910,820.10 : 109,408,220.55 = 27,505,200.90 : x
  2. Step 2: Convert to fraction form
    72,910,820.10/109,408,220.55 = 27,505,200.90/x
  3. Step 3: Cross multiply
    72,910,820.10x = 109,408,220.55 × 27,505,200.90
  4. Step 4: Simplify right side
    72,910,820.10x = 3,009,295,086,339,258
  5. Step 5: Solve for x
    x = 3,009,295,086,339,258/72,910,820.10
  6. Step 6: Final answer
    x = 41,273,641.99

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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.