Home / 72,886,191.92-109,356,901.49-43,760,371.08

Finding the Fourth Proportional to 72,886,191.92, 109,356,901.49 and 43,760,371.08

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Solution

The fourth proportional to 72,886,191.92, 109,356,901.49 and 43,760,371.08 is: 65,657,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,886,191.92 : 109,356,901.49 = 43,760,371.08 : x
  2. Step 2: Convert to fraction form
    72,886,191.92/109,356,901.49 = 43,760,371.08/x
  3. Step 3: Cross multiply
    72,886,191.92x = 109,356,901.49 × 43,760,371.08
  4. Step 4: Simplify right side
    72,886,191.92x = 4,785,498,589,361,404
  5. Step 5: Solve for x
    x = 4,785,498,589,361,404/72,886,191.92
  6. Step 6: Final answer
    x = 65,657,135.64

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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.