Finding the Fourth Proportional to 79,902,168.21, 119,856,740.58 and 25,318,776.24
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Solution
The fourth proportional to 79,902,168.21, 119,856,740.58 and 25,318,776.24 is: 37,979,269.69
Step by Step Solution
- Step 1: Write the proportion equation
79,902,168.21 : 119,856,740.58 = 25,318,776.24 : x - Step 2: Convert to fraction form
79,902,168.21/119,856,740.58 = 25,318,776.24/x - Step 3: Cross multiply
79,902,168.21x = 119,856,740.58 × 25,318,776.24 - Step 4: Simplify right side
79,902,168.21x = 3,034,625,995,600,747.50 - Step 5: Solve for x
x = 3,034,625,995,600,747.50/79,902,168.21 - Step 6: Final answer
x = 37,979,269.69
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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.