Finding the Fourth Proportional to 117,737,265.97, 162,513,142.36 and 68,189,817.49
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Solution
The fourth proportional to 117,737,265.97, 162,513,142.36 and 68,189,817.49 is: 94,122,633.36
Step by Step Solution
- Step 1: Write the proportion equation
117,737,265.97 : 162,513,142.36 = 68,189,817.49 : x - Step 2: Convert to fraction form
117,737,265.97/162,513,142.36 = 68,189,817.49/x - Step 3: Cross multiply
117,737,265.97x = 162,513,142.36 × 68,189,817.49 - Step 4: Simplify right side
117,737,265.97x = 11,081,741,517,836,956 - Step 5: Solve for x
x = 11,081,741,517,836,956/117,737,265.97 - Step 6: Final answer
x = 94,122,633.36
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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.