Home / 123,942,027.30-171,039,740.74-68,187,313.56

Finding the Fourth Proportional to 123,942,027.30, 171,039,740.74 and 68,187,313.56

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Solution

The fourth proportional to 123,942,027.30, 171,039,740.74 and 68,187,313.56 is: 94,098,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,942,027.30 : 171,039,740.74 = 68,187,313.56 : x
  2. Step 2: Convert to fraction form
    123,942,027.30/171,039,740.74 = 68,187,313.56/x
  3. Step 3: Cross multiply
    123,942,027.30x = 171,039,740.74 × 68,187,313.56
  4. Step 4: Simplify right side
    123,942,027.30x = 11,662,740,433,059,488
  5. Step 5: Solve for x
    x = 11,662,740,433,059,488/123,942,027.30
  6. Step 6: Final answer
    x = 94,098,351.36

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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.