Home / 320,919,469.88-442,879,816.39-179,796,641.13

Finding the Fourth Proportional to 320,919,469.88, 442,879,816.39 and 179,796,641.13

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Solution

The fourth proportional to 320,919,469.88, 442,879,816.39 and 179,796,641.13 is: 248,125,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,919,469.88 : 442,879,816.39 = 179,796,641.13 : x
  2. Step 2: Convert to fraction form
    320,919,469.88/442,879,816.39 = 179,796,641.13/x
  3. Step 3: Cross multiply
    320,919,469.88x = 442,879,816.39 × 179,796,641.13
  4. Step 4: Simplify right side
    320,919,469.88x = 79,628,303,410,743,632
  5. Step 5: Solve for x
    x = 79,628,303,410,743,632/320,919,469.88
  6. Step 6: Final answer
    x = 248,125,498.41

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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.