Finding the Fourth Proportional to 236,405,530.80, 353,651,702.40 and 207,707,716.80
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Solution
The fourth proportional to 236,405,530.80, 353,651,702.40 and 207,707,716.80 is: 310,721,104.53
Step by Step Solution
- Step 1: Write the proportion equation
236,405,530.80 : 353,651,702.40 = 207,707,716.80 : x - Step 2: Convert to fraction form
236,405,530.80/353,651,702.40 = 207,707,716.80/x - Step 3: Cross multiply
236,405,530.80x = 353,651,702.40 × 207,707,716.80 - Step 4: Simplify right side
236,405,530.80x = 73,456,187,647,937,072 - Step 5: Solve for x
x = 73,456,187,647,937,072/236,405,530.80 - Step 6: Final answer
x = 310,721,104.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.