Finding the Fourth Proportional to 80,103,080.97, 110,544,425.36 and 45,300,975.75
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Solution
The fourth proportional to 80,103,080.97, 110,544,425.36 and 45,300,975.75 is: 62,516,575.79
Step by Step Solution
- Step 1: Write the proportion equation
80,103,080.97 : 110,544,425.36 = 45,300,975.75 : x - Step 2: Convert to fraction form
80,103,080.97/110,544,425.36 = 45,300,975.75/x - Step 3: Cross multiply
80,103,080.97x = 110,544,425.36 × 45,300,975.75 - Step 4: Simplify right side
80,103,080.97x = 5,007,770,332,474,419 - Step 5: Solve for x
x = 5,007,770,332,474,419/80,103,080.97 - Step 6: Final answer
x = 62,516,575.79
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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.