Home / 72,886,195.92-109,356,907.50-43,760,375.10

Finding the Fourth Proportional to 72,886,195.92, 109,356,907.50 and 43,760,375.10

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Solution

The fourth proportional to 72,886,195.92, 109,356,907.50 and 43,760,375.10 is: 65,657,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,886,195.92 : 109,356,907.50 = 43,760,375.10 : x
  2. Step 2: Convert to fraction form
    72,886,195.92/109,356,907.50 = 43,760,375.10/x
  3. Step 3: Cross multiply
    72,886,195.92x = 109,356,907.50 × 43,760,375.10
  4. Step 4: Simplify right side
    72,886,195.92x = 4,785,499,291,976,003
  5. Step 5: Solve for x
    x = 4,785,499,291,976,003/72,886,195.92
  6. Step 6: Final answer
    x = 65,657,141.68

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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.