Home / 72,886,190.92-109,356,899.99-43,760,370.08

Finding the Fourth Proportional to 72,886,190.92, 109,356,899.99 and 43,760,370.08

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Solution

The fourth proportional to 72,886,190.92, 109,356,899.99 and 43,760,370.08 is: 65,657,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,886,190.92 : 109,356,899.99 = 43,760,370.08 : x
  2. Step 2: Convert to fraction form
    72,886,190.92/109,356,899.99 = 43,760,370.08/x
  3. Step 3: Cross multiply
    72,886,190.92x = 109,356,899.99 × 43,760,370.08
  4. Step 4: Simplify right side
    72,886,190.92x = 4,785,498,414,418,539
  5. Step 5: Solve for x
    x = 4,785,498,414,418,539/72,886,190.92
  6. Step 6: Final answer
    x = 65,657,134.15

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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.