Home / 306,320,338.36-422,724,764.82-167,091,719.32

Finding the Fourth Proportional to 306,320,338.36, 422,724,764.82 and 167,091,719.32

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Solution

The fourth proportional to 306,320,338.36, 422,724,764.82 and 167,091,719.32 is: 230,588,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,320,338.36 : 422,724,764.82 = 167,091,719.32 : x
  2. Step 2: Convert to fraction form
    306,320,338.36/422,724,764.82 = 167,091,719.32/x
  3. Step 3: Cross multiply
    306,320,338.36x = 422,724,764.82 × 167,091,719.32
  4. Step 4: Simplify right side
    306,320,338.36x = 70,633,807,752,916,448
  5. Step 5: Solve for x
    x = 70,633,807,752,916,448/306,320,338.36
  6. Step 6: Final answer
    x = 230,588,044.30

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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.