Home / 178,339,276.80-267,256,972.80-131,918,889.60

Finding the Fourth Proportional to 178,339,276.80, 267,256,972.80 and 131,918,889.60

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Solution

The fourth proportional to 178,339,276.80, 267,256,972.80 and 131,918,889.60 is: 197,691,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,339,276.80 : 267,256,972.80 = 131,918,889.60 : x
  2. Step 2: Convert to fraction form
    178,339,276.80/267,256,972.80 = 131,918,889.60/x
  3. Step 3: Cross multiply
    178,339,276.80x = 267,256,972.80 × 131,918,889.60
  4. Step 4: Simplify right side
    178,339,276.80x = 35,256,243,089,633,404
  5. Step 5: Solve for x
    x = 35,256,243,089,633,404/178,339,276.80
  6. Step 6: Final answer
    x = 197,691,970.73

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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.