Finding the Fourth Proportional to 99,816,250.40, 149,724,375.60 and 48,671,943.20
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Solution
The fourth proportional to 99,816,250.40, 149,724,375.60 and 48,671,943.20 is: 73,007,914.80
Step by Step Solution
- Step 1: Write the proportion equation
99,816,250.40 : 149,724,375.60 = 48,671,943.20 : x - Step 2: Convert to fraction form
99,816,250.40/149,724,375.60 = 48,671,943.20/x - Step 3: Cross multiply
99,816,250.40x = 149,724,375.60 × 48,671,943.20 - Step 4: Simplify right side
99,816,250.40x = 7,287,376,304,858,666 - Step 5: Solve for x
x = 7,287,376,304,858,666/99,816,250.40 - Step 6: Final answer
x = 73,007,914.80
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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.