Home / 215,603,999.20-323,419,995.60-113,567,327.20

Finding the Fourth Proportional to 215,603,999.20, 323,419,995.60 and 113,567,327.20

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Solution

The fourth proportional to 215,603,999.20, 323,419,995.60 and 113,567,327.20 is: 170,358,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,603,999.20 : 323,419,995.60 = 113,567,327.20 : x
  2. Step 2: Convert to fraction form
    215,603,999.20/323,419,995.60 = 113,567,327.20/x
  3. Step 3: Cross multiply
    215,603,999.20x = 323,419,995.60 × 113,567,327.20
  4. Step 4: Simplify right side
    215,603,999.20x = 36,729,944,463,327,760
  5. Step 5: Solve for x
    x = 36,729,944,463,327,760/215,603,999.20
  6. Step 6: Final answer
    x = 170,358,363.48

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1.5x scale

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.