Home / 206,496,007.65-309,744,011.48-144,686,138.85

Finding the Fourth Proportional to 206,496,007.65, 309,744,011.48 and 144,686,138.85

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Solution

The fourth proportional to 206,496,007.65, 309,744,011.48 and 144,686,138.85 is: 217,029,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,496,007.65 : 309,744,011.48 = 144,686,138.85 : x
  2. Step 2: Convert to fraction form
    206,496,007.65/309,744,011.48 = 144,686,138.85/x
  3. Step 3: Cross multiply
    206,496,007.65x = 309,744,011.48 × 144,686,138.85
  4. Step 4: Simplify right side
    206,496,007.65x = 44,815,665,052,227,848
  5. Step 5: Solve for x
    x = 44,815,665,052,227,848/206,496,007.65
  6. Step 6: Final answer
    x = 217,029,208.28

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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.