Home / 325,944,076.80-488,916,115.20-83,606,980.80

Finding the Fourth Proportional to 325,944,076.80, 488,916,115.20 and 83,606,980.80

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Solution

The fourth proportional to 325,944,076.80, 488,916,115.20 and 83,606,980.80 is: 125,410,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,944,076.80 : 488,916,115.20 = 83,606,980.80 : x
  2. Step 2: Convert to fraction form
    325,944,076.80/488,916,115.20 = 83,606,980.80/x
  3. Step 3: Cross multiply
    325,944,076.80x = 488,916,115.20 × 83,606,980.80
  4. Step 4: Simplify right side
    325,944,076.80x = 40,876,800,256,336,984
  5. Step 5: Solve for x
    x = 40,876,800,256,336,984/325,944,076.80
  6. Step 6: Final answer
    x = 125,410,471.20

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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.