Home / 207,847,437.60-311,771,156.40-159,474,496.80

Finding the Fourth Proportional to 207,847,437.60, 311,771,156.40 and 159,474,496.80

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Solution

The fourth proportional to 207,847,437.60, 311,771,156.40 and 159,474,496.80 is: 239,211,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,847,437.60 : 311,771,156.40 = 159,474,496.80 : x
  2. Step 2: Convert to fraction form
    207,847,437.60/311,771,156.40 = 159,474,496.80/x
  3. Step 3: Cross multiply
    207,847,437.60x = 311,771,156.40 × 159,474,496.80
  4. Step 4: Simplify right side
    207,847,437.60x = 49,719,548,283,644,096
  5. Step 5: Solve for x
    x = 49,719,548,283,644,096/207,847,437.60
  6. Step 6: Final answer
    x = 239,211,745.20

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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.