Finding the Fourth Proportional to 116,091,240.52, 160,212,540.58 and 66,539,868.18
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Solution
The fourth proportional to 116,091,240.52, 160,212,540.58 and 66,539,868.18 is: 91,828,817.43
Step by Step Solution
- Step 1: Write the proportion equation
116,091,240.52 : 160,212,540.58 = 66,539,868.18 : x - Step 2: Convert to fraction form
116,091,240.52/160,212,540.58 = 66,539,868.18/x - Step 3: Cross multiply
116,091,240.52x = 160,212,540.58 × 66,539,868.18 - Step 4: Simplify right side
116,091,240.52x = 10,660,521,330,976,102 - Step 5: Solve for x
x = 10,660,521,330,976,102/116,091,240.52 - Step 6: Final answer
x = 91,828,817.43
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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.