Home / 310,771,410.08-428,864,481.20-171,542,135.52

Finding the Fourth Proportional to 310,771,410.08, 428,864,481.20 and 171,542,135.52

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Solution

The fourth proportional to 310,771,410.08, 428,864,481.20 and 171,542,135.52 is: 236,728,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,771,410.08 : 428,864,481.20 = 171,542,135.52 : x
  2. Step 2: Convert to fraction form
    310,771,410.08/428,864,481.20 = 171,542,135.52/x
  3. Step 3: Cross multiply
    310,771,410.08x = 428,864,481.20 × 171,542,135.52
  4. Step 4: Simplify right side
    310,771,410.08x = 73,568,328,953,724,896
  5. Step 5: Solve for x
    x = 73,568,328,953,724,896/310,771,410.08
  6. Step 6: Final answer
    x = 236,728,111.30

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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.