Home / 200,204,608.05-300,306,912.08-157,206,438.45

Finding the Fourth Proportional to 200,204,608.05, 300,306,912.08 and 157,206,438.45

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Solution

The fourth proportional to 200,204,608.05, 300,306,912.08 and 157,206,438.45 is: 235,809,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,204,608.05 : 300,306,912.08 = 157,206,438.45 : x
  2. Step 2: Convert to fraction form
    200,204,608.05/300,306,912.08 = 157,206,438.45/x
  3. Step 3: Cross multiply
    200,204,608.05x = 300,306,912.08 × 157,206,438.45
  4. Step 4: Simplify right side
    200,204,608.05x = 47,210,180,089,228,040
  5. Step 5: Solve for x
    x = 47,210,180,089,228,040/200,204,608.05
  6. Step 6: Final answer
    x = 235,809,657.68

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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.