Home / 214,560,095.20-321,840,142.80-154,541,816.80

Finding the Fourth Proportional to 214,560,095.20, 321,840,142.80 and 154,541,816.80

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Solution

The fourth proportional to 214,560,095.20, 321,840,142.80 and 154,541,816.80 is: 231,812,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,560,095.20 : 321,840,142.80 = 154,541,816.80 : x
  2. Step 2: Convert to fraction form
    214,560,095.20/321,840,142.80 = 154,541,816.80/x
  3. Step 3: Cross multiply
    214,560,095.20x = 321,840,142.80 × 154,541,816.80
  4. Step 4: Simplify right side
    214,560,095.20x = 49,737,760,387,483,448
  5. Step 5: Solve for x
    x = 49,737,760,387,483,448/214,560,095.20
  6. Step 6: Final answer
    x = 231,812,725.20

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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.