Home / 203,172,318.72-280,373,031.04-119,545,865.76

Finding the Fourth Proportional to 203,172,318.72, 280,373,031.04 and 119,545,865.76

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Solution

The fourth proportional to 203,172,318.72, 280,373,031.04 and 119,545,865.76 is: 164,970,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,172,318.72 : 280,373,031.04 = 119,545,865.76 : x
  2. Step 2: Convert to fraction form
    203,172,318.72/280,373,031.04 = 119,545,865.76/x
  3. Step 3: Cross multiply
    203,172,318.72x = 280,373,031.04 × 119,545,865.76
  4. Step 4: Simplify right side
    203,172,318.72x = 33,517,436,731,432,156
  5. Step 5: Solve for x
    x = 33,517,436,731,432,156/203,172,318.72
  6. Step 6: Final answer
    x = 164,970,488.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.