Home / 209,052,103.20-288,374,241.60-125,397,975.36

Finding the Fourth Proportional to 209,052,103.20, 288,374,241.60 and 125,397,975.36

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Solution

The fourth proportional to 209,052,103.20, 288,374,241.60 and 125,397,975.36 is: 172,978,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,052,103.20 : 288,374,241.60 = 125,397,975.36 : x
  2. Step 2: Convert to fraction form
    209,052,103.20/288,374,241.60 = 125,397,975.36/x
  3. Step 3: Cross multiply
    209,052,103.20x = 288,374,241.60 × 125,397,975.36
  4. Step 4: Simplify right side
    209,052,103.20x = 36,161,546,042,615,488
  5. Step 5: Solve for x
    x = 36,161,546,042,615,488/209,052,103.20
  6. Step 6: Final answer
    x = 172,978,628.24

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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.