Home / 177,143,611.20-265,715,416.80-131,793,979.20

Finding the Fourth Proportional to 177,143,611.20, 265,715,416.80 and 131,793,979.20

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Solution

The fourth proportional to 177,143,611.20, 265,715,416.80 and 131,793,979.20 is: 197,690,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143,611.20 : 265,715,416.80 = 131,793,979.20 : x
  2. Step 2: Convert to fraction form
    177,143,611.20/265,715,416.80 = 131,793,979.20/x
  3. Step 3: Cross multiply
    177,143,611.20x = 265,715,416.80 × 131,793,979.20
  4. Step 4: Simplify right side
    177,143,611.20x = 35,019,692,114,858,532
  5. Step 5: Solve for x
    x = 35,019,692,114,858,532/177,143,611.20
  6. Step 6: Final answer
    x = 197,690,968.80

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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.