Home / 123,927,630.66-171,019,184.34-68,171,850.54

Finding the Fourth Proportional to 123,927,630.66, 171,019,184.34 and 68,171,850.54

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Solution

The fourth proportional to 123,927,630.66, 171,019,184.34 and 68,171,850.54 is: 94,076,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927,630.66 : 171,019,184.34 = 68,171,850.54 : x
  2. Step 2: Convert to fraction form
    123,927,630.66/171,019,184.34 = 68,171,850.54/x
  3. Step 3: Cross multiply
    123,927,630.66x = 171,019,184.34 × 68,171,850.54
  4. Step 4: Simplify right side
    123,927,630.66x = 11,658,694,274,299,190
  5. Step 5: Solve for x
    x = 11,658,694,274,299,190/123,927,630.66
  6. Step 6: Final answer
    x = 94,076,633.37

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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.