Home / 78,080,602.05-107,751,241.04-43,275,539.52

Finding the Fourth Proportional to 78,080,602.05, 107,751,241.04 and 43,275,539.52

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Solution

The fourth proportional to 78,080,602.05, 107,751,241.04 and 43,275,539.52 is: 59,720,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,602.05 : 107,751,241.04 = 43,275,539.52 : x
  2. Step 2: Convert to fraction form
    78,080,602.05/107,751,241.04 = 43,275,539.52/x
  3. Step 3: Cross multiply
    78,080,602.05x = 107,751,241.04 × 43,275,539.52
  4. Step 4: Simplify right side
    78,080,602.05x = 4,662,993,089,739,188
  5. Step 5: Solve for x
    x = 4,662,993,089,739,188/78,080,602.05
  6. Step 6: Final answer
    x = 59,720,250.19

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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.