Home / 137,649,739.28-206,474,571.88-51,394,872.40

Finding the Fourth Proportional to 137,649,739.28, 206,474,571.88 and 51,394,872.40

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Solution

The fourth proportional to 137,649,739.28, 206,474,571.88 and 51,394,872.40 is: 77,092,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,649,739.28 : 206,474,571.88 = 51,394,872.40 : x
  2. Step 2: Convert to fraction form
    137,649,739.28/206,474,571.88 = 51,394,872.40/x
  3. Step 3: Cross multiply
    137,649,739.28x = 206,474,571.88 × 51,394,872.40
  4. Step 4: Simplify right side
    137,649,739.28x = 10,611,734,275,617,228
  5. Step 5: Solve for x
    x = 10,611,734,275,617,228/137,649,739.28
  6. Step 6: Final answer
    x = 77,092,294.77

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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.