Home / 47,259,149.48-65,229,759.78-30,780,336.68

Finding the Fourth Proportional to 47,259,149.48, 65,229,759.78 and 30,780,336.68

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Solution

The fourth proportional to 47,259,149.48, 65,229,759.78 and 30,780,336.68 is: 42,484,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,259,149.48 : 65,229,759.78 = 30,780,336.68 : x
  2. Step 2: Convert to fraction form
    47,259,149.48/65,229,759.78 = 30,780,336.68/x
  3. Step 3: Cross multiply
    47,259,149.48x = 65,229,759.78 × 30,780,336.68
  4. Step 4: Simplify right side
    47,259,149.48x = 2,007,793,967,583,922.75
  5. Step 5: Solve for x
    x = 2,007,793,967,583,922.75/47,259,149.48
  6. Step 6: Final answer
    x = 42,484,767.28

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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.