Finding the Fourth Proportional to 79,202,771.46, 118,804,251.96 and 21,695,538.42
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Solution
The fourth proportional to 79,202,771.46, 118,804,251.96 and 21,695,538.42 is: 32,543,333.59
Step by Step Solution
- Step 1: Write the proportion equation
79,202,771.46 : 118,804,251.96 = 21,695,538.42 : x - Step 2: Convert to fraction form
79,202,771.46/118,804,251.96 = 21,695,538.42/x - Step 3: Cross multiply
79,202,771.46x = 118,804,251.96 × 21,695,538.42 - Step 4: Simplify right side
79,202,771.46x = 2,577,522,212,857,540.50 - Step 5: Solve for x
x = 2,577,522,212,857,540.50/79,202,771.46 - Step 6: Final answer
x = 32,543,333.59
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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.