Home / 78,218,110.08-107,935,963.56-43,410,824.10

Finding the Fourth Proportional to 78,218,110.08, 107,935,963.56 and 43,410,824.10

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Solution

The fourth proportional to 78,218,110.08, 107,935,963.56 and 43,410,824.10 is: 59,904,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,218,110.08 : 107,935,963.56 = 43,410,824.10 : x
  2. Step 2: Convert to fraction form
    78,218,110.08/107,935,963.56 = 43,410,824.10/x
  3. Step 3: Cross multiply
    78,218,110.08x = 107,935,963.56 × 43,410,824.10
  4. Step 4: Simplify right side
    78,218,110.08x = 4,685,589,128,167,170
  5. Step 5: Solve for x
    x = 4,685,589,128,167,170/78,218,110.08
  6. Step 6: Final answer
    x = 59,904,146.54

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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.