Home / 197,614,469.28-296,422,416.72-139,932,256.80

Finding the Fourth Proportional to 197,614,469.28, 296,422,416.72 and 139,932,256.80

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Solution

The fourth proportional to 197,614,469.28, 296,422,416.72 and 139,932,256.80 is: 209,898,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,614,469.28 : 296,422,416.72 = 139,932,256.80 : x
  2. Step 2: Convert to fraction form
    197,614,469.28/296,422,416.72 = 139,932,256.80/x
  3. Step 3: Cross multiply
    197,614,469.28x = 296,422,416.72 × 139,932,256.80
  4. Step 4: Simplify right side
    197,614,469.28x = 41,479,057,737,739,664
  5. Step 5: Solve for x
    x = 41,479,057,737,739,664/197,614,469.28
  6. Step 6: Final answer
    x = 209,898,889.94

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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.