Home / 306,320,380.39-422,724,822.82-167,091,761.35

Finding the Fourth Proportional to 306,320,380.39, 422,724,822.82 and 167,091,761.35

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Solution

The fourth proportional to 306,320,380.39, 422,724,822.82 and 167,091,761.35 is: 230,588,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,320,380.39 : 422,724,822.82 = 167,091,761.35 : x
  2. Step 2: Convert to fraction form
    306,320,380.39/422,724,822.82 = 167,091,761.35/x
  3. Step 3: Cross multiply
    306,320,380.39x = 422,724,822.82 × 167,091,761.35
  4. Step 4: Simplify right side
    306,320,380.39x = 70,633,835,212,411,880
  5. Step 5: Solve for x
    x = 70,633,835,212,411,880/306,320,380.39
  6. Step 6: Final answer
    x = 230,588,102.31

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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.