Home / 255,843,481.86-353,064,005.04-138,368,812.08

Finding the Fourth Proportional to 255,843,481.86, 353,064,005.04 and 138,368,812.08

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Solution

The fourth proportional to 255,843,481.86, 353,064,005.04 and 138,368,812.08 is: 190,948,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,843,481.86 : 353,064,005.04 = 138,368,812.08 : x
  2. Step 2: Convert to fraction form
    255,843,481.86/353,064,005.04 = 138,368,812.08/x
  3. Step 3: Cross multiply
    255,843,481.86x = 353,064,005.04 × 138,368,812.08
  4. Step 4: Simplify right side
    255,843,481.86x = 48,853,046,965,591,944
  5. Step 5: Solve for x
    x = 48,853,046,965,591,944/255,843,481.86
  6. Step 6: Final answer
    x = 190,948,960.71

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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.