Home / 65,869,667.56-90,945,511.86-50,372,760.52

Finding the Fourth Proportional to 65,869,667.56, 90,945,511.86 and 50,372,760.52

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Solution

The fourth proportional to 65,869,667.56, 90,945,511.86 and 50,372,760.52 is: 69,549,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,667.56 : 90,945,511.86 = 50,372,760.52 : x
  2. Step 2: Convert to fraction form
    65,869,667.56/90,945,511.86 = 50,372,760.52/x
  3. Step 3: Cross multiply
    65,869,667.56x = 90,945,511.86 × 50,372,760.52
  4. Step 4: Simplify right side
    65,869,667.56x = 4,581,176,489,292,600
  5. Step 5: Solve for x
    x = 4,581,176,489,292,600/65,869,667.56
  6. Step 6: Final answer
    x = 69,549,105.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.