Home / 203,626,921.82-305,441,004.80-50,272,994.66

Finding the Fourth Proportional to 203,626,921.82, 305,441,004.80 and 50,272,994.66

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Solution

The fourth proportional to 203,626,921.82, 305,441,004.80 and 50,272,994.66 is: 75,409,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,626,921.82 : 305,441,004.80 = 50,272,994.66 : x
  2. Step 2: Convert to fraction form
    203,626,921.82/305,441,004.80 = 50,272,994.66/x
  3. Step 3: Cross multiply
    203,626,921.82x = 305,441,004.80 × 50,272,994.66
  4. Step 4: Simplify right side
    203,626,921.82x = 15,355,434,001,853,912
  5. Step 5: Solve for x
    x = 15,355,434,001,853,912/203,626,921.82
  6. Step 6: Final answer
    x = 75,409,645.57

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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.