Home / 171,397,648.20-257,096,472.30-146,738,785.80

Finding the Fourth Proportional to 171,397,648.20, 257,096,472.30 and 146,738,785.80

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Solution

The fourth proportional to 171,397,648.20, 257,096,472.30 and 146,738,785.80 is: 220,108,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,397,648.20 : 257,096,472.30 = 146,738,785.80 : x
  2. Step 2: Convert to fraction form
    171,397,648.20/257,096,472.30 = 146,738,785.80/x
  3. Step 3: Cross multiply
    171,397,648.20x = 257,096,472.30 × 146,738,785.80
  4. Step 4: Simplify right side
    171,397,648.20x = 37,726,024,178,765,336
  5. Step 5: Solve for x
    x = 37,726,024,178,765,336/171,397,648.20
  6. Step 6: Final answer
    x = 220,108,178.70

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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.