Home / 168,311,932,689.84-252,870,667,018.20-107,924,522,781.12

Finding the Fourth Proportional to 168,311,932,689.84, 252,870,667,018.20 and 107,924,522,781.12

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Solution

The fourth proportional to 168,311,932,689.84, 252,870,667,018.20 and 107,924,522,781.12 is: 162,145,045,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,311,932,689.84 : 252,870,667,018.20 = 107,924,522,781.12 : x
  2. Step 2: Convert to fraction form
    168,311,932,689.84/252,870,667,018.20 = 107,924,522,781.12/x
  3. Step 3: Cross multiply
    168,311,932,689.84x = 252,870,667,018.20 × 107,924,522,781.12
  4. Step 4: Simplify right side
    168,311,932,689.84x = 27,290,946,063,282,737,250,304
  5. Step 5: Solve for x
    x = 27,290,946,063,282,737,250,304/168,311,932,689.84
  6. Step 6: Final answer
    x = 162,145,045,969.94

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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.