Finding the Fourth Proportional to 107,922,374.68, 148,981,514.24 and 68,816,715.16
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Solution
The fourth proportional to 107,922,374.68, 148,981,514.24 and 68,816,715.16 is: 94,998,080.43
Step by Step Solution
- Step 1: Write the proportion equation
107,922,374.68 : 148,981,514.24 = 68,816,715.16 : x - Step 2: Convert to fraction form
107,922,374.68/148,981,514.24 = 68,816,715.16/x - Step 3: Cross multiply
107,922,374.68x = 148,981,514.24 × 68,816,715.16 - Step 4: Simplify right side
107,922,374.68x = 10,252,418,429,559,564 - Step 5: Solve for x
x = 10,252,418,429,559,564/107,922,374.68 - Step 6: Final answer
x = 94,998,080.43
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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.