Home / 203,463,999.70-305,195,999.55-194,110,638.10

Finding the Fourth Proportional to 203,463,999.70, 305,195,999.55 and 194,110,638.10

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Solution

The fourth proportional to 203,463,999.70, 305,195,999.55 and 194,110,638.10 is: 291,165,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,463,999.70 : 305,195,999.55 = 194,110,638.10 : x
  2. Step 2: Convert to fraction form
    203,463,999.70/305,195,999.55 = 194,110,638.10/x
  3. Step 3: Cross multiply
    203,463,999.70x = 305,195,999.55 × 194,110,638.10
  4. Step 4: Simplify right side
    203,463,999.70x = 59,241,790,218,217,816
  5. Step 5: Solve for x
    x = 59,241,790,218,217,816/203,463,999.70
  6. Step 6: Final answer
    x = 291,165,957.15

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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.