Finding the Fourth Proportional to 218,271,882.30, 327,407,823.45 and 149,397,128.70
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Solution
The fourth proportional to 218,271,882.30, 327,407,823.45 and 149,397,128.70 is: 224,095,693.05
Step by Step Solution
- Step 1: Write the proportion equation
218,271,882.30 : 327,407,823.45 = 149,397,128.70 : x - Step 2: Convert to fraction form
218,271,882.30/327,407,823.45 = 149,397,128.70/x - Step 3: Cross multiply
218,271,882.30x = 327,407,823.45 × 149,397,128.70 - Step 4: Simplify right side
218,271,882.30x = 48,913,788,737,346,520 - Step 5: Solve for x
x = 48,913,788,737,346,520/218,271,882.30 - Step 6: Final answer
x = 224,095,693.05
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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.