Finding the Fourth Proportional to 53,872,976.36, 74,344,707.16 and 29,093,161.82
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Solution
The fourth proportional to 53,872,976.36, 74,344,707.16 and 29,093,161.82 is: 40,148,563.20
Step by Step Solution
- Step 1: Write the proportion equation
53,872,976.36 : 74,344,707.16 = 29,093,161.82 : x - Step 2: Convert to fraction form
53,872,976.36/74,344,707.16 = 29,093,161.82/x - Step 3: Cross multiply
53,872,976.36x = 74,344,707.16 × 29,093,161.82 - Step 4: Simplify right side
53,872,976.36x = 2,162,922,595,840,125 - Step 5: Solve for x
x = 2,162,922,595,840,125/53,872,976.36 - Step 6: Final answer
x = 40,148,563.20
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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.