Home / 72,886,195.79-109,356,907.31-43,760,374.97

Finding the Fourth Proportional to 72,886,195.79, 109,356,907.31 and 43,760,374.97

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Solution

The fourth proportional to 72,886,195.79, 109,356,907.31 and 43,760,374.97 is: 65,657,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,886,195.79 : 109,356,907.31 = 43,760,374.97 : x
  2. Step 2: Convert to fraction form
    72,886,195.79/109,356,907.31 = 43,760,374.97/x
  3. Step 3: Cross multiply
    72,886,195.79x = 109,356,907.31 × 43,760,374.97
  4. Step 4: Simplify right side
    72,886,195.79x = 4,785,499,269,007,751
  5. Step 5: Solve for x
    x = 4,785,499,269,007,751/72,886,195.79
  6. Step 6: Final answer
    x = 65,657,141.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.