Home / 206,016,747.60-309,025,121.40-178,275,527.40

Finding the Fourth Proportional to 206,016,747.60, 309,025,121.40 and 178,275,527.40

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Solution

The fourth proportional to 206,016,747.60, 309,025,121.40 and 178,275,527.40 is: 267,413,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,016,747.60 : 309,025,121.40 = 178,275,527.40 : x
  2. Step 2: Convert to fraction form
    206,016,747.60/309,025,121.40 = 178,275,527.40/x
  3. Step 3: Cross multiply
    206,016,747.60x = 309,025,121.40 × 178,275,527.40
  4. Step 4: Simplify right side
    206,016,747.60x = 55,091,616,497,434,024
  5. Step 5: Solve for x
    x = 55,091,616,497,434,024/206,016,747.60
  6. Step 6: Final answer
    x = 267,413,291.10

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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.