Home / 206,284,789.21-309,393,533.04-60,684,311.11

Finding the Fourth Proportional to 206,284,789.21, 309,393,533.04 and 60,684,311.11

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Solution

The fourth proportional to 206,284,789.21, 309,393,533.04 and 60,684,311.11 is: 91,016,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,284,789.21 : 309,393,533.04 = 60,684,311.11 : x
  2. Step 2: Convert to fraction form
    206,284,789.21/309,393,533.04 = 60,684,311.11/x
  3. Step 3: Cross multiply
    206,284,789.21x = 309,393,533.04 × 60,684,311.11
  4. Step 4: Simplify right side
    206,284,789.21x = 18,775,333,414,421,424
  5. Step 5: Solve for x
    x = 18,775,333,414,421,424/206,284,789.21
  6. Step 6: Final answer
    x = 91,016,567.37

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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.