Finding the Fourth Proportional to 295,525,983.80, 443,288,975.70 and 80,115,231.80
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Solution
The fourth proportional to 295,525,983.80, 443,288,975.70 and 80,115,231.80 is: 120,172,847.70
Step by Step Solution
- Step 1: Write the proportion equation
295,525,983.80 : 443,288,975.70 = 80,115,231.80 : x - Step 2: Convert to fraction form
295,525,983.80/443,288,975.70 = 80,115,231.80/x - Step 3: Cross multiply
295,525,983.80x = 443,288,975.70 × 80,115,231.80 - Step 4: Simplify right side
295,525,983.80x = 35,514,199,042,590,064 - Step 5: Solve for x
x = 35,514,199,042,590,064/295,525,983.80 - Step 6: Final answer
x = 120,172,847.70
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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.