Home / 178,287,311.80-267,430,967.70-162,414,940.60

Finding the Fourth Proportional to 178,287,311.80, 267,430,967.70 and 162,414,940.60

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Solution

The fourth proportional to 178,287,311.80, 267,430,967.70 and 162,414,940.60 is: 243,622,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,287,311.80 : 267,430,967.70 = 162,414,940.60 : x
  2. Step 2: Convert to fraction form
    178,287,311.80/267,430,967.70 = 162,414,940.60/x
  3. Step 3: Cross multiply
    178,287,311.80x = 267,430,967.70 × 162,414,940.60
  4. Step 4: Simplify right side
    178,287,311.80x = 43,434,784,733,596,016
  5. Step 5: Solve for x
    x = 43,434,784,733,596,016/178,287,311.80
  6. Step 6: Final answer
    x = 243,622,410.90

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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.