Home / 306,320,768.36-422,725,358.22-167,092,149.32

Finding the Fourth Proportional to 306,320,768.36, 422,725,358.22 and 167,092,149.32

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Solution

The fourth proportional to 306,320,768.36, 422,725,358.22 and 167,092,149.32 is: 230,588,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,320,768.36 : 422,725,358.22 = 167,092,149.32 : x
  2. Step 2: Convert to fraction form
    306,320,768.36/422,725,358.22 = 167,092,149.32/x
  3. Step 3: Cross multiply
    306,320,768.36x = 422,725,358.22 × 167,092,149.32
  4. Step 4: Simplify right side
    306,320,768.36x = 70,634,088,677,046,728
  5. Step 5: Solve for x
    x = 70,634,088,677,046,728/306,320,768.36
  6. Step 6: Final answer
    x = 230,588,637.71

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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.