Home / 330,820,769.60-496,231,154.40-136,667,657.60

Finding the Fourth Proportional to 330,820,769.60, 496,231,154.40 and 136,667,657.60

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Solution

The fourth proportional to 330,820,769.60, 496,231,154.40 and 136,667,657.60 is: 205,001,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,820,769.60 : 496,231,154.40 = 136,667,657.60 : x
  2. Step 2: Convert to fraction form
    330,820,769.60/496,231,154.40 = 136,667,657.60/x
  3. Step 3: Cross multiply
    330,820,769.60x = 496,231,154.40 × 136,667,657.60
  4. Step 4: Simplify right side
    330,820,769.60x = 67,818,749,499,991,928
  5. Step 5: Solve for x
    x = 67,818,749,499,991,928/330,820,769.60
  6. Step 6: Final answer
    x = 205,001,486.40

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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.