Home / 218,422,865.52-327,635,523-72,856,027.40

Finding the Fourth Proportional to 218,422,865.52, 327,635,523 and 72,856,027.40

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Solution

The fourth proportional to 218,422,865.52, 327,635,523 and 72,856,027.40 is: 109,284,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422,865.52 : 327,635,523 = 72,856,027.40 : x
  2. Step 2: Convert to fraction form
    218,422,865.52/327,635,523 = 72,856,027.40/x
  3. Step 3: Cross multiply
    218,422,865.52x = 327,635,523 × 72,856,027.40
  4. Step 4: Simplify right side
    218,422,865.52x = 23,870,222,639,263,152
  5. Step 5: Solve for x
    x = 23,870,222,639,263,152/218,422,865.52
  6. Step 6: Final answer
    x = 109,284,449.60

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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.