Home / 189,491,011.20-284,236,516.80-60,108,747.30

Finding the Fourth Proportional to 189,491,011.20, 284,236,516.80 and 60,108,747.30

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Solution

The fourth proportional to 189,491,011.20, 284,236,516.80 and 60,108,747.30 is: 90,163,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,491,011.20 : 284,236,516.80 = 60,108,747.30 : x
  2. Step 2: Convert to fraction form
    189,491,011.20/284,236,516.80 = 60,108,747.30/x
  3. Step 3: Cross multiply
    189,491,011.20x = 284,236,516.80 × 60,108,747.30
  4. Step 4: Simplify right side
    189,491,011.20x = 17,085,100,961,763,404
  5. Step 5: Solve for x
    x = 17,085,100,961,763,404/189,491,011.20
  6. Step 6: Final answer
    x = 90,163,120.95

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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.