Finding the Fourth Proportional to 212,207,391.75, 318,311,070.35 and 58,853,446.23
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Solution
The fourth proportional to 212,207,391.75, 318,311,070.35 and 58,853,446.23 is: 88,280,164.55
Step by Step Solution
- Step 1: Write the proportion equation
212,207,391.75 : 318,311,070.35 = 58,853,446.23 : x - Step 2: Convert to fraction form
212,207,391.75/318,311,070.35 = 58,853,446.23/x - Step 3: Cross multiply
212,207,391.75x = 318,311,070.35 × 58,853,446.23 - Step 4: Simplify right side
212,207,391.75x = 18,733,703,462,963,204 - Step 5: Solve for x
x = 18,733,703,462,963,204/212,207,391.75 - Step 6: Final answer
x = 88,280,164.55
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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.