Home / 197,011,205.20-295,489,980.60-51,456,149.20

Finding the Fourth Proportional to 197,011,205.20, 295,489,980.60 and 51,456,149.20

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Solution

The fourth proportional to 197,011,205.20, 295,489,980.60 and 51,456,149.20 is: 77,177,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,011,205.20 : 295,489,980.60 = 51,456,149.20 : x
  2. Step 2: Convert to fraction form
    197,011,205.20/295,489,980.60 = 51,456,149.20/x
  3. Step 3: Cross multiply
    197,011,205.20x = 295,489,980.60 × 51,456,149.20
  4. Step 4: Simplify right side
    197,011,205.20x = 15,204,776,528,858,708
  5. Step 5: Solve for x
    x = 15,204,776,528,858,708/197,011,205.20
  6. Step 6: Final answer
    x = 77,177,216.97

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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.