Home / 206,537,280.30-309,475,246.05-109,366,245.90

Finding the Fourth Proportional to 206,537,280.30, 309,475,246.05 and 109,366,245.90

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Solution

The fourth proportional to 206,537,280.30, 309,475,246.05 and 109,366,245.90 is: 163,874,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,537,280.30 : 309,475,246.05 = 109,366,245.90 : x
  2. Step 2: Convert to fraction form
    206,537,280.30/309,475,246.05 = 109,366,245.90/x
  3. Step 3: Cross multiply
    206,537,280.30x = 309,475,246.05 × 109,366,245.90
  4. Step 4: Simplify right side
    206,537,280.30x = 33,846,145,859,467,308
  5. Step 5: Solve for x
    x = 33,846,145,859,467,308/206,537,280.30
  6. Step 6: Final answer
    x = 163,874,269.14

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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.