Home / 215,670,220.40-323,505,330.60-154,448,217.20

Finding the Fourth Proportional to 215,670,220.40, 323,505,330.60 and 154,448,217.20

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Solution

The fourth proportional to 215,670,220.40, 323,505,330.60 and 154,448,217.20 is: 231,672,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,670,220.40 : 323,505,330.60 = 154,448,217.20 : x
  2. Step 2: Convert to fraction form
    215,670,220.40/323,505,330.60 = 154,448,217.20/x
  3. Step 3: Cross multiply
    215,670,220.40x = 323,505,330.60 × 154,448,217.20
  4. Step 4: Simplify right side
    215,670,220.40x = 49,964,821,565,866,608
  5. Step 5: Solve for x
    x = 49,964,821,565,866,608/215,670,220.40
  6. Step 6: Final answer
    x = 231,672,325.80

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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.