Home / 221,320,951.20-332,039,487.60-85,010,781.60

Finding the Fourth Proportional to 221,320,951.20, 332,039,487.60 and 85,010,781.60

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Solution

The fourth proportional to 221,320,951.20, 332,039,487.60 and 85,010,781.60 is: 127,538,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,320,951.20 : 332,039,487.60 = 85,010,781.60 : x
  2. Step 2: Convert to fraction form
    221,320,951.20/332,039,487.60 = 85,010,781.60/x
  3. Step 3: Cross multiply
    221,320,951.20x = 332,039,487.60 × 85,010,781.60
  4. Step 4: Simplify right side
    221,320,951.20x = 28,226,936,362,939,508
  5. Step 5: Solve for x
    x = 28,226,936,362,939,508/221,320,951.20
  6. Step 6: Final answer
    x = 127,538,473.92

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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.