Home / 218,255,057.28-301,170,540.96-120,463,614.72

Finding the Fourth Proportional to 218,255,057.28, 301,170,540.96 and 120,463,614.72

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Solution

The fourth proportional to 218,255,057.28, 301,170,540.96 and 120,463,614.72 is: 166,227,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,255,057.28 : 301,170,540.96 = 120,463,614.72 : x
  2. Step 2: Convert to fraction form
    218,255,057.28/301,170,540.96 = 120,463,614.72/x
  3. Step 3: Cross multiply
    218,255,057.28x = 301,170,540.96 × 120,463,614.72
  4. Step 4: Simplify right side
    218,255,057.28x = 36,280,092,011,219,416
  5. Step 5: Solve for x
    x = 36,280,092,011,219,416/218,255,057.28
  6. Step 6: Final answer
    x = 166,227,955.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.