Finding the Fourth Proportional to 97,816,091.20, 146,724,136.80 and 84,379,163.20
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Solution
The fourth proportional to 97,816,091.20, 146,724,136.80 and 84,379,163.20 is: 126,568,744.80
Step by Step Solution
- Step 1: Write the proportion equation
97,816,091.20 : 146,724,136.80 = 84,379,163.20 : x - Step 2: Convert to fraction form
97,816,091.20/146,724,136.80 = 84,379,163.20/x - Step 3: Cross multiply
97,816,091.20x = 146,724,136.80 × 84,379,163.20 - Step 4: Simplify right side
97,816,091.20x = 12,380,459,884,426,328 - Step 5: Solve for x
x = 12,380,459,884,426,328/97,816,091.20 - Step 6: Final answer
x = 126,568,744.80
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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.