Home / 77,767,887.72-107,322,945.72-44,728,146.06

Finding the Fourth Proportional to 77,767,887.72, 107,322,945.72 and 44,728,146.06

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Solution

The fourth proportional to 77,767,887.72, 107,322,945.72 and 44,728,146.06 is: 61,726,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767,887.72 : 107,322,945.72 = 44,728,146.06 : x
  2. Step 2: Convert to fraction form
    77,767,887.72/107,322,945.72 = 44,728,146.06/x
  3. Step 3: Cross multiply
    77,767,887.72x = 107,322,945.72 × 44,728,146.06
  4. Step 4: Simplify right side
    77,767,887.72x = 4,800,356,391,753,612
  5. Step 5: Solve for x
    x = 4,800,356,391,753,612/77,767,887.72
  6. Step 6: Final answer
    x = 61,726,716.93

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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.