Home / 144,533,331.08-199,456,188.34-78,453,786.44

Finding the Fourth Proportional to 144,533,331.08, 199,456,188.34 and 78,453,786.44

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Solution

The fourth proportional to 144,533,331.08, 199,456,188.34 and 78,453,786.44 is: 108,266,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,533,331.08 : 199,456,188.34 = 78,453,786.44 : x
  2. Step 2: Convert to fraction form
    144,533,331.08/199,456,188.34 = 78,453,786.44/x
  3. Step 3: Cross multiply
    144,533,331.08x = 199,456,188.34 × 78,453,786.44
  4. Step 4: Simplify right side
    144,533,331.08x = 15,648,093,204,162,778
  5. Step 5: Solve for x
    x = 15,648,093,204,162,778/144,533,331.08
  6. Step 6: Final answer
    x = 108,266,329.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.