Home / 271,328,560.56-406,993,064.40-66,856,657.68

Finding the Fourth Proportional to 271,328,560.56, 406,993,064.40 and 66,856,657.68

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Solution

The fourth proportional to 271,328,560.56, 406,993,064.40 and 66,856,657.68 is: 100,285,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,328,560.56 : 406,993,064.40 = 66,856,657.68 : x
  2. Step 2: Convert to fraction form
    271,328,560.56/406,993,064.40 = 66,856,657.68/x
  3. Step 3: Cross multiply
    271,328,560.56x = 406,993,064.40 × 66,856,657.68
  4. Step 4: Simplify right side
    271,328,560.56x = 27,210,195,984,724,992
  5. Step 5: Solve for x
    x = 27,210,195,984,724,992/271,328,560.56
  6. Step 6: Final answer
    x = 100,285,041.61

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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.