Home / 203,013,000.42-280,150,690.74-114,905,105.88

Finding the Fourth Proportional to 203,013,000.42, 280,150,690.74 and 114,905,105.88

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Solution

The fourth proportional to 203,013,000.42, 280,150,690.74 and 114,905,105.88 is: 158,564,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,013,000.42 : 280,150,690.74 = 114,905,105.88 : x
  2. Step 2: Convert to fraction form
    203,013,000.42/280,150,690.74 = 114,905,105.88/x
  3. Step 3: Cross multiply
    203,013,000.42x = 280,150,690.74 × 114,905,105.88
  4. Step 4: Simplify right side
    203,013,000.42x = 32,190,744,781,834,836
  5. Step 5: Solve for x
    x = 32,190,744,781,834,836/203,013,000.42
  6. Step 6: Final answer
    x = 158,564,942.71

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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.