Finding the Fourth Proportional to 243,212,709.16, 364,743,611.35 and 87,746,306.75
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Solution
The fourth proportional to 243,212,709.16, 364,743,611.35 and 87,746,306.75 is: 131,592,238.40
Step by Step Solution
- Step 1: Write the proportion equation
243,212,709.16 : 364,743,611.35 = 87,746,306.75 : x - Step 2: Convert to fraction form
243,212,709.16/364,743,611.35 = 87,746,306.75/x - Step 3: Cross multiply
243,212,709.16x = 364,743,611.35 × 87,746,306.75 - Step 4: Simplify right side
243,212,709.16x = 32,004,904,806,619,884 - Step 5: Solve for x
x = 32,004,904,806,619,884/243,212,709.16 - Step 6: Final answer
x = 131,592,238.40
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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.