Finding the Fourth Proportional to 204,213,565.99, 281,816,519.66 and 111,394,486.63
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Solution
The fourth proportional to 204,213,565.99, 281,816,519.66 and 111,394,486.63 is: 153,725,372.65
Step by Step Solution
- Step 1: Write the proportion equation
204,213,565.99 : 281,816,519.66 = 111,394,486.63 : x - Step 2: Convert to fraction form
204,213,565.99/281,816,519.66 = 111,394,486.63/x - Step 3: Cross multiply
204,213,565.99x = 281,816,519.66 × 111,394,486.63 - Step 4: Simplify right side
204,213,565.99x = 31,392,806,531,379,004 - Step 5: Solve for x
x = 31,392,806,531,379,004/204,213,565.99 - Step 6: Final answer
x = 153,725,372.65
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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.