Home / 279,400,221.60-419,100,332.40-87,923,997.60

Finding the Fourth Proportional to 279,400,221.60, 419,100,332.40 and 87,923,997.60

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Solution

The fourth proportional to 279,400,221.60, 419,100,332.40 and 87,923,997.60 is: 131,885,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,400,221.60 : 419,100,332.40 = 87,923,997.60 : x
  2. Step 2: Convert to fraction form
    279,400,221.60/419,100,332.40 = 87,923,997.60/x
  3. Step 3: Cross multiply
    279,400,221.60x = 419,100,332.40 × 87,923,997.60
  4. Step 4: Simplify right side
    279,400,221.60x = 36,848,976,620,096,800
  5. Step 5: Solve for x
    x = 36,848,976,620,096,800/279,400,221.60
  6. Step 6: Final answer
    x = 131,885,996.40

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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.