Home / 172,369,934.70-258,554,902.05-107,746,709.10

Finding the Fourth Proportional to 172,369,934.70, 258,554,902.05 and 107,746,709.10

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Solution

The fourth proportional to 172,369,934.70, 258,554,902.05 and 107,746,709.10 is: 161,620,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,369,934.70 : 258,554,902.05 = 107,746,709.10 : x
  2. Step 2: Convert to fraction form
    172,369,934.70/258,554,902.05 = 107,746,709.10/x
  3. Step 3: Cross multiply
    172,369,934.70x = 258,554,902.05 × 107,746,709.10
  4. Step 4: Simplify right side
    172,369,934.70x = 27,858,439,817,560,344
  5. Step 5: Solve for x
    x = 27,858,439,817,560,344/172,369,934.70
  6. Step 6: Final answer
    x = 161,620,063.65

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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.