Home / 123,982,500.45-171,091,557.27-68,222,706.48

Finding the Fourth Proportional to 123,982,500.45, 171,091,557.27 and 68,222,706.48

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Solution

The fourth proportional to 123,982,500.45, 171,091,557.27 and 68,222,706.48 is: 94,144,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,982,500.45 : 171,091,557.27 = 68,222,706.48 : x
  2. Step 2: Convert to fraction form
    123,982,500.45/171,091,557.27 = 68,222,706.48/x
  3. Step 3: Cross multiply
    123,982,500.45x = 171,091,557.27 × 68,222,706.48
  4. Step 4: Simplify right side
    123,982,500.45x = 11,672,329,092,837,322
  5. Step 5: Solve for x
    x = 11,672,329,092,837,322/123,982,500.45
  6. Step 6: Final answer
    x = 94,144,972.48

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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.