Finding the Fourth Proportional to 117,922,093.80, 176,883,140.70 and 74,662,796.40
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Solution
The fourth proportional to 117,922,093.80, 176,883,140.70 and 74,662,796.40 is: 111,994,194.60
Step by Step Solution
- Step 1: Write the proportion equation
117,922,093.80 : 176,883,140.70 = 74,662,796.40 : x - Step 2: Convert to fraction form
117,922,093.80/176,883,140.70 = 74,662,796.40/x - Step 3: Cross multiply
117,922,093.80x = 176,883,140.70 × 74,662,796.40 - Step 4: Simplify right side
117,922,093.80x = 13,206,589,920,676,654 - Step 5: Solve for x
x = 13,206,589,920,676,654/117,922,093.80 - Step 6: Final answer
x = 111,994,194.60
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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.