Finding the Fourth Proportional to 208,514,436.25, 312,761,546.26 and 77,382,275.99
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Solution
The fourth proportional to 208,514,436.25, 312,761,546.26 and 77,382,275.99 is: 116,069,662.74
Step by Step Solution
- Step 1: Write the proportion equation
208,514,436.25 : 312,761,546.26 = 77,382,275.99 : x - Step 2: Convert to fraction form
208,514,436.25/312,761,546.26 = 77,382,275.99/x - Step 3: Cross multiply
208,514,436.25x = 312,761,546.26 × 77,382,275.99 - Step 4: Simplify right side
208,514,436.25x = 24,202,200,291,752,492 - Step 5: Solve for x
x = 24,202,200,291,752,492/208,514,436.25 - Step 6: Final answer
x = 116,069,662.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.