Finding the Fourth Proportional to 104,979,241.60, 157,493,745.60 and 53,869,148.80
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Solution
The fourth proportional to 104,979,241.60, 157,493,745.60 and 53,869,148.80 is: 80,816,491.79
Step by Step Solution
- Step 1: Write the proportion equation
104,979,241.60 : 157,493,745.60 = 53,869,148.80 : x - Step 2: Convert to fraction form
104,979,241.60/157,493,745.60 = 53,869,148.80/x - Step 3: Cross multiply
104,979,241.60x = 157,493,745.60 × 53,869,148.80 - Step 4: Simplify right side
104,979,241.60x = 8,484,054,016,795,744 - Step 5: Solve for x
x = 8,484,054,016,795,744/104,979,241.60 - Step 6: Final answer
x = 80,816,491.79
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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.