Home / 79,608,961.91-119,458,947.51-43,220,310.91

Finding the Fourth Proportional to 79,608,961.91, 119,458,947.51 and 43,220,310.91

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Solution

The fourth proportional to 79,608,961.91, 119,458,947.51 and 43,220,310.91 is: 64,855,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,608,961.91 : 119,458,947.51 = 43,220,310.91 : x
  2. Step 2: Convert to fraction form
    79,608,961.91/119,458,947.51 = 43,220,310.91/x
  3. Step 3: Cross multiply
    79,608,961.91x = 119,458,947.51 × 43,220,310.91
  4. Step 4: Simplify right side
    79,608,961.91x = 5,163,052,852,064,923
  5. Step 5: Solve for x
    x = 5,163,052,852,064,923/79,608,961.91
  6. Step 6: Final answer
    x = 64,855,171.18

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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.