Finding the Fourth Proportional to 88,660,966.14, 122,350,974.42 and 49,503,409.38
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Solution
The fourth proportional to 88,660,966.14, 122,350,974.42 and 49,503,409.38 is: 68,314,057.90
Step by Step Solution
- Step 1: Write the proportion equation
88,660,966.14 : 122,350,974.42 = 49,503,409.38 : x - Step 2: Convert to fraction form
88,660,966.14/122,350,974.42 = 49,503,409.38/x - Step 3: Cross multiply
88,660,966.14x = 122,350,974.42 × 49,503,409.38 - Step 4: Simplify right side
88,660,966.14x = 6,056,790,374,755,168 - Step 5: Solve for x
x = 6,056,790,374,755,168/88,660,966.14 - Step 6: Final answer
x = 68,314,057.90
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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.