Home / 320,030,164.80-480,045,247.20-221,394,715.20

Finding the Fourth Proportional to 320,030,164.80, 480,045,247.20 and 221,394,715.20

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Solution

The fourth proportional to 320,030,164.80, 480,045,247.20 and 221,394,715.20 is: 332,092,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,030,164.80 : 480,045,247.20 = 221,394,715.20 : x
  2. Step 2: Convert to fraction form
    320,030,164.80/480,045,247.20 = 221,394,715.20/x
  3. Step 3: Cross multiply
    320,030,164.80x = 480,045,247.20 × 221,394,715.20
  4. Step 4: Simplify right side
    320,030,164.80x = 106,279,480,786,957,584
  5. Step 5: Solve for x
    x = 106,279,480,786,957,584/320,030,164.80
  6. Step 6: Final answer
    x = 332,092,072.80

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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.