Home / 203,841,273.60-281,332,906.20-120,218,595.48

Finding the Fourth Proportional to 203,841,273.60, 281,332,906.20 and 120,218,595.48

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Solution

The fourth proportional to 203,841,273.60, 281,332,906.20 and 120,218,595.48 is: 165,920,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,841,273.60 : 281,332,906.20 = 120,218,595.48 : x
  2. Step 2: Convert to fraction form
    203,841,273.60/281,332,906.20 = 120,218,595.48/x
  3. Step 3: Cross multiply
    203,841,273.60x = 281,332,906.20 × 120,218,595.48
  4. Step 4: Simplify right side
    203,841,273.60x = 33,821,446,845,670,584
  5. Step 5: Solve for x
    x = 33,821,446,845,670,584/203,841,273.60
  6. Step 6: Final answer
    x = 165,920,503.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.