Finding the Fourth Proportional to 135,042,310.80, 186,358,571.66 and 73,162,647.56
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Solution
The fourth proportional to 135,042,310.80, 186,358,571.66 and 73,162,647.56 is: 100,964,552.65
Step by Step Solution
- Step 1: Write the proportion equation
135,042,310.80 : 186,358,571.66 = 73,162,647.56 : x - Step 2: Convert to fraction form
135,042,310.80/186,358,571.66 = 73,162,647.56/x - Step 3: Cross multiply
135,042,310.80x = 186,358,571.66 × 73,162,647.56 - Step 4: Simplify right side
135,042,310.80x = 13,634,486,498,145,584 - Step 5: Solve for x
x = 13,634,486,498,145,584/135,042,310.80 - Step 6: Final answer
x = 100,964,552.65
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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.