Home / 218,284,501.20-327,472,241.40-72,763,270.80

Finding the Fourth Proportional to 218,284,501.20, 327,472,241.40 and 72,763,270.80

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Solution

The fourth proportional to 218,284,501.20, 327,472,241.40 and 72,763,270.80 is: 109,160,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,284,501.20 : 327,472,241.40 = 72,763,270.80 : x
  2. Step 2: Convert to fraction form
    218,284,501.20/327,472,241.40 = 72,763,270.80/x
  3. Step 3: Cross multiply
    218,284,501.20x = 327,472,241.40 × 72,763,270.80
  4. Step 4: Simplify right side
    218,284,501.20x = 23,827,951,380,471,168
  5. Step 5: Solve for x
    x = 23,827,951,380,471,168/218,284,501.20
  6. Step 6: Final answer
    x = 109,160,069.77

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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.