Home / 306,320,350.50-422,724,781.56-167,091,731.46

Finding the Fourth Proportional to 306,320,350.50, 422,724,781.56 and 167,091,731.46

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Solution

The fourth proportional to 306,320,350.50, 422,724,781.56 and 167,091,731.46 is: 230,588,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,320,350.50 : 422,724,781.56 = 167,091,731.46 : x
  2. Step 2: Convert to fraction form
    306,320,350.50/422,724,781.56 = 167,091,731.46/x
  3. Step 3: Cross multiply
    306,320,350.50x = 422,724,781.56 × 167,091,731.46
  4. Step 4: Simplify right side
    306,320,350.50x = 70,633,815,681,910,680
  5. Step 5: Solve for x
    x = 70,633,815,681,910,680/306,320,350.50
  6. Step 6: Final answer
    x = 230,588,061.05

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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.