Finding the Fourth Proportional to 198,982,234.80, 298,473,352.20 and 181,125,817.20
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Solution
The fourth proportional to 198,982,234.80, 298,473,352.20 and 181,125,817.20 is: 271,688,725.80
Step by Step Solution
- Step 1: Write the proportion equation
198,982,234.80 : 298,473,352.20 = 181,125,817.20 : x - Step 2: Convert to fraction form
198,982,234.80/298,473,352.20 = 181,125,817.20/x - Step 3: Cross multiply
198,982,234.80x = 298,473,352.20 × 181,125,817.20 - Step 4: Simplify right side
198,982,234.80x = 54,061,229,829,648,416 - Step 5: Solve for x
x = 54,061,229,829,648,416/198,982,234.80 - Step 6: Final answer
x = 271,688,725.80
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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.