Finding the Fourth Proportional to 212,894,185.68, 319,339,149.61 and 67,327,771.86
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Solution
The fourth proportional to 212,894,185.68, 319,339,149.61 and 67,327,771.86 is: 100,990,984.52
Step by Step Solution
- Step 1: Write the proportion equation
212,894,185.68 : 319,339,149.61 = 67,327,771.86 : x - Step 2: Convert to fraction form
212,894,185.68/319,339,149.61 = 67,327,771.86/x - Step 3: Cross multiply
212,894,185.68x = 319,339,149.61 × 67,327,771.86 - Step 4: Simplify right side
212,894,185.68x = 21,500,393,411,056,612 - Step 5: Solve for x
x = 21,500,393,411,056,612/212,894,185.68 - Step 6: Final answer
x = 100,990,984.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.