Home / 206,708,052.40-310,062,078.60-178,647,967.60

Finding the Fourth Proportional to 206,708,052.40, 310,062,078.60 and 178,647,967.60

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Solution

The fourth proportional to 206,708,052.40, 310,062,078.60 and 178,647,967.60 is: 267,971,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,708,052.40 : 310,062,078.60 = 178,647,967.60 : x
  2. Step 2: Convert to fraction form
    206,708,052.40/310,062,078.60 = 178,647,967.60/x
  3. Step 3: Cross multiply
    206,708,052.40x = 310,062,078.60 × 178,647,967.60
  4. Step 4: Simplify right side
    206,708,052.40x = 55,391,960,171,721,456
  5. Step 5: Solve for x
    x = 55,391,960,171,721,456/206,708,052.40
  6. Step 6: Final answer
    x = 267,971,951.40

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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.