Home / 206,023,580.10-309,035,370.15-178,282,359.90

Finding the Fourth Proportional to 206,023,580.10, 309,035,370.15 and 178,282,359.90

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Solution

The fourth proportional to 206,023,580.10, 309,035,370.15 and 178,282,359.90 is: 267,423,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,023,580.10 : 309,035,370.15 = 178,282,359.90 : x
  2. Step 2: Convert to fraction form
    206,023,580.10/309,035,370.15 = 178,282,359.90/x
  3. Step 3: Cross multiply
    206,023,580.10x = 309,035,370.15 × 178,282,359.90
  4. Step 4: Simplify right side
    206,023,580.10x = 55,095,555,082,912,016
  5. Step 5: Solve for x
    x = 55,095,555,082,912,016/206,023,580.10
  6. Step 6: Final answer
    x = 267,423,539.85

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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.