Home / 306,320,764.86-422,725,353.39-167,092,145.82

Finding the Fourth Proportional to 306,320,764.86, 422,725,353.39 and 167,092,145.82

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Solution

The fourth proportional to 306,320,764.86, 422,725,353.39 and 167,092,145.82 is: 230,588,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,320,764.86 : 422,725,353.39 = 167,092,145.82 : x
  2. Step 2: Convert to fraction form
    306,320,764.86/422,725,353.39 = 167,092,145.82/x
  3. Step 3: Cross multiply
    306,320,764.86x = 422,725,353.39 × 167,092,145.82
  4. Step 4: Simplify right side
    306,320,764.86x = 70,634,086,390,452,904
  5. Step 5: Solve for x
    x = 70,634,086,390,452,904/306,320,764.86
  6. Step 6: Final answer
    x = 230,588,632.88

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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.