Home / 67,299,376.35-100,949,053.01-21,273,554.88

Finding the Fourth Proportional to 67,299,376.35, 100,949,053.01 and 21,273,554.88

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Solution

The fourth proportional to 67,299,376.35, 100,949,053.01 and 21,273,554.88 is: 31,910,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,299,376.35 : 100,949,053.01 = 21,273,554.88 : x
  2. Step 2: Convert to fraction form
    67,299,376.35/100,949,053.01 = 21,273,554.88/x
  3. Step 3: Cross multiply
    67,299,376.35x = 100,949,053.01 × 21,273,554.88
  4. Step 4: Simplify right side
    67,299,376.35x = 2,147,545,219,185,896.25
  5. Step 5: Solve for x
    x = 2,147,545,219,185,896.25/67,299,376.35
  6. Step 6: Final answer
    x = 31,910,328.68

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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.