Home / 66,876,871.30-100,220,828.55-49,469,226.10

Finding the Fourth Proportional to 66,876,871.30, 100,220,828.55 and 49,469,226.10

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Solution

The fourth proportional to 66,876,871.30, 100,220,828.55 and 49,469,226.10 is: 74,133,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876,871.30 : 100,220,828.55 = 49,469,226.10 : x
  2. Step 2: Convert to fraction form
    66,876,871.30/100,220,828.55 = 49,469,226.10/x
  3. Step 3: Cross multiply
    66,876,871.30x = 100,220,828.55 × 49,469,226.10
  4. Step 4: Simplify right side
    66,876,871.30x = 4,957,846,827,469,285
  5. Step 5: Solve for x
    x = 4,957,846,827,469,285/66,876,871.30
  6. Step 6: Final answer
    x = 74,133,952.91

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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.