Home / 414,023,784.98-620,969,863.33-137,652,011.78

Finding the Fourth Proportional to 414,023,784.98, 620,969,863.33 and 137,652,011.78

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Solution

The fourth proportional to 414,023,784.98, 620,969,863.33 and 137,652,011.78 is: 206,456,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,023,784.98 : 620,969,863.33 = 137,652,011.78 : x
  2. Step 2: Convert to fraction form
    414,023,784.98/620,969,863.33 = 137,652,011.78/x
  3. Step 3: Cross multiply
    414,023,784.98x = 620,969,863.33 × 137,652,011.78
  4. Step 4: Simplify right side
    414,023,784.98x = 85,477,750,942,126,160
  5. Step 5: Solve for x
    x = 85,477,750,942,126,160/414,023,784.98
  6. Step 6: Final answer
    x = 206,456,136.20

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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.