Home / 206,141,356.62-309,203,964.90-69,826,740.12

Finding the Fourth Proportional to 206,141,356.62, 309,203,964.90 and 69,826,740.12

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Solution

The fourth proportional to 206,141,356.62, 309,203,964.90 and 69,826,740.12 is: 104,737,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,141,356.62 : 309,203,964.90 = 69,826,740.12 : x
  2. Step 2: Convert to fraction form
    206,141,356.62/309,203,964.90 = 69,826,740.12/x
  3. Step 3: Cross multiply
    206,141,356.62x = 309,203,964.90 × 69,826,740.12
  4. Step 4: Simplify right side
    206,141,356.62x = 21,590,704,901,145,900
  5. Step 5: Solve for x
    x = 21,590,704,901,145,900/206,141,356.62
  6. Step 6: Final answer
    x = 104,737,376.60

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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.