Home / 123,812,174.54-170,858,885.36-68,056,401.84

Finding the Fourth Proportional to 123,812,174.54, 170,858,885.36 and 68,056,401.84

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Solution

The fourth proportional to 123,812,174.54, 170,858,885.36 and 68,056,401.84 is: 93,916,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,812,174.54 : 170,858,885.36 = 68,056,401.84 : x
  2. Step 2: Convert to fraction form
    123,812,174.54/170,858,885.36 = 68,056,401.84/x
  3. Step 3: Cross multiply
    123,812,174.54x = 170,858,885.36 × 68,056,401.84
  4. Step 4: Simplify right side
    123,812,174.54x = 11,628,040,959,994,654
  5. Step 5: Solve for x
    x = 11,628,040,959,994,654/123,812,174.54
  6. Step 6: Final answer
    x = 93,916,781.63

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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.