Home / 78,146,364.96-117,236,474.82-23,554,383.48

Finding the Fourth Proportional to 78,146,364.96, 117,236,474.82 and 23,554,383.48

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Solution

The fourth proportional to 78,146,364.96, 117,236,474.82 and 23,554,383.48 is: 35,336,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,146,364.96 : 117,236,474.82 = 23,554,383.48 : x
  2. Step 2: Convert to fraction form
    78,146,364.96/117,236,474.82 = 23,554,383.48/x
  3. Step 3: Cross multiply
    78,146,364.96x = 117,236,474.82 × 23,554,383.48
  4. Step 4: Simplify right side
    78,146,364.96x = 2,761,432,885,753,644
  5. Step 5: Solve for x
    x = 2,761,432,885,753,644/78,146,364.96
  6. Step 6: Final answer
    x = 35,336,677.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.