Home / 300,557,811.47-450,522,059.15-125,780,982.98

Finding the Fourth Proportional to 300,557,811.47, 450,522,059.15 and 125,780,982.98

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Solution

The fourth proportional to 300,557,811.47, 450,522,059.15 and 125,780,982.98 is: 188,539,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,557,811.47 : 450,522,059.15 = 125,780,982.98 : x
  2. Step 2: Convert to fraction form
    300,557,811.47/450,522,059.15 = 125,780,982.98/x
  3. Step 3: Cross multiply
    300,557,811.47x = 450,522,059.15 × 125,780,982.98
  4. Step 4: Simplify right side
    300,557,811.47x = 56,667,107,452,122,536
  5. Step 5: Solve for x
    x = 56,667,107,452,122,536/300,557,811.47
  6. Step 6: Final answer
    x = 188,539,792.65

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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.