Home / 178,019,740.20-267,029,610.30-109,144,986.60

Finding the Fourth Proportional to 178,019,740.20, 267,029,610.30 and 109,144,986.60

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Solution

The fourth proportional to 178,019,740.20, 267,029,610.30 and 109,144,986.60 is: 163,717,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019,740.20 : 267,029,610.30 = 109,144,986.60 : x
  2. Step 2: Convert to fraction form
    178,019,740.20/267,029,610.30 = 109,144,986.60/x
  3. Step 3: Cross multiply
    178,019,740.20x = 267,029,610.30 × 109,144,986.60
  4. Step 4: Simplify right side
    178,019,740.20x = 29,144,943,237,996,720
  5. Step 5: Solve for x
    x = 29,144,943,237,996,720/178,019,740.20
  6. Step 6: Final answer
    x = 163,717,479.90

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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.