Home / 300,557,853.33-450,522,120.20-125,781,024.57

Finding the Fourth Proportional to 300,557,853.33, 450,522,120.20 and 125,781,024.57

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Solution

The fourth proportional to 300,557,853.33, 450,522,120.20 and 125,781,024.57 is: 188,539,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,557,853.33 : 450,522,120.20 = 125,781,024.57 : x
  2. Step 2: Convert to fraction form
    300,557,853.33/450,522,120.20 = 125,781,024.57/x
  3. Step 3: Cross multiply
    300,557,853.33x = 450,522,120.20 × 125,781,024.57
  4. Step 4: Simplify right side
    300,557,853.33x = 56,667,133,869,575,784
  5. Step 5: Solve for x
    x = 56,667,133,869,575,784/300,557,853.33
  6. Step 6: Final answer
    x = 188,539,854.28

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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.