Home / 324,177,784.43-486,264,930.54-78,534,295.03

Finding the Fourth Proportional to 324,177,784.43, 486,264,930.54 and 78,534,295.03

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Solution

The fourth proportional to 324,177,784.43, 486,264,930.54 and 78,534,295.03 is: 117,801,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,177,784.43 : 486,264,930.54 = 78,534,295.03 : x
  2. Step 2: Convert to fraction form
    324,177,784.43/486,264,930.54 = 78,534,295.03/x
  3. Step 3: Cross multiply
    324,177,784.43x = 486,264,930.54 × 78,534,295.03
  4. Step 4: Simplify right side
    324,177,784.43x = 38,188,473,517,444,104
  5. Step 5: Solve for x
    x = 38,188,473,517,444,104/324,177,784.43
  6. Step 6: Final answer
    x = 117,801,019.54

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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.