Home / 78,080,577.44-107,751,194.72-43,278,496.52

Finding the Fourth Proportional to 78,080,577.44, 107,751,194.72 and 43,278,496.52

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Solution

The fourth proportional to 78,080,577.44, 107,751,194.72 and 43,278,496.52 is: 59,724,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,577.44 : 107,751,194.72 = 43,278,496.52 : x
  2. Step 2: Convert to fraction form
    78,080,577.44/107,751,194.72 = 43,278,496.52/x
  3. Step 3: Cross multiply
    78,080,577.44x = 107,751,194.72 × 43,278,496.52
  4. Step 4: Simplify right side
    78,080,577.44x = 4,663,309,705,715,363
  5. Step 5: Solve for x
    x = 4,663,309,705,715,363/78,080,577.44
  6. Step 6: Final answer
    x = 59,724,324.01

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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.