Home / 171,180,342.93-256,936,554.87-82,611,243.36

Finding the Fourth Proportional to 171,180,342.93, 256,936,554.87 and 82,611,243.36

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Solution

The fourth proportional to 171,180,342.93, 256,936,554.87 and 82,611,243.36 is: 123,996,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,180,342.93 : 256,936,554.87 = 82,611,243.36 : x
  2. Step 2: Convert to fraction form
    171,180,342.93/256,936,554.87 = 82,611,243.36/x
  3. Step 3: Cross multiply
    171,180,342.93x = 256,936,554.87 × 82,611,243.36
  4. Step 4: Simplify right side
    171,180,342.93x = 21,225,848,262,445,564
  5. Step 5: Solve for x
    x = 21,225,848,262,445,564/171,180,342.93
  6. Step 6: Final answer
    x = 123,996,995.79

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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.