Finding the Fourth Proportional to 79,268,386.44, 118,874,042.94 and 27,438,906.72
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Solution
The fourth proportional to 79,268,386.44, 118,874,042.94 and 27,438,906.72 is: 41,148,482.04
Step by Step Solution
- Step 1: Write the proportion equation
79,268,386.44 : 118,874,042.94 = 27,438,906.72 : x - Step 2: Convert to fraction form
79,268,386.44/118,874,042.94 = 27,438,906.72/x - Step 3: Cross multiply
79,268,386.44x = 118,874,042.94 × 27,438,906.72 - Step 4: Simplify right side
79,268,386.44x = 3,261,773,775,659,934.50 - Step 5: Solve for x
x = 3,261,773,775,659,934.50/79,268,386.44 - Step 6: Final answer
x = 41,148,482.04
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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.