Home / 215,738,843.60-323,608,265.40-143,179,432.40

Finding the Fourth Proportional to 215,738,843.60, 323,608,265.40 and 143,179,432.40

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Solution

The fourth proportional to 215,738,843.60, 323,608,265.40 and 143,179,432.40 is: 214,769,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,738,843.60 : 323,608,265.40 = 143,179,432.40 : x
  2. Step 2: Convert to fraction form
    215,738,843.60/323,608,265.40 = 143,179,432.40/x
  3. Step 3: Cross multiply
    215,738,843.60x = 323,608,265.40 × 143,179,432.40
  4. Step 4: Simplify right side
    215,738,843.60x = 46,334,047,759,920,560
  5. Step 5: Solve for x
    x = 46,334,047,759,920,560/215,738,843.60
  6. Step 6: Final answer
    x = 214,769,148.60

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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.