Home / 215,705,179.68-323,044,172.10-137,740,589.76

Finding the Fourth Proportional to 215,705,179.68, 323,044,172.10 and 137,740,589.76

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Solution

The fourth proportional to 215,705,179.68, 323,044,172.10 and 137,740,589.76 is: 206,282,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,705,179.68 : 323,044,172.10 = 137,740,589.76 : x
  2. Step 2: Convert to fraction form
    215,705,179.68/323,044,172.10 = 137,740,589.76/x
  3. Step 3: Cross multiply
    215,705,179.68x = 323,044,172.10 × 137,740,589.76
  4. Step 4: Simplify right side
    215,705,179.68x = 44,496,294,783,584,936
  5. Step 5: Solve for x
    x = 44,496,294,783,584,936/215,705,179.68
  6. Step 6: Final answer
    x = 206,282,922.13

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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.