Finding the Fourth Proportional to 218,518,352.10, 327,777,528.15 and 217,242,893.70
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Solution
The fourth proportional to 218,518,352.10, 327,777,528.15 and 217,242,893.70 is: 325,864,340.55
Step by Step Solution
- Step 1: Write the proportion equation
218,518,352.10 : 327,777,528.15 = 217,242,893.70 : x - Step 2: Convert to fraction form
218,518,352.10/327,777,528.15 = 217,242,893.70/x - Step 3: Cross multiply
218,518,352.10x = 327,777,528.15 × 217,242,893.70 - Step 4: Simplify right side
218,518,352.10x = 71,207,338,705,139,200 - Step 5: Solve for x
x = 71,207,338,705,139,200/218,518,352.10 - Step 6: Final answer
x = 325,864,340.55
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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.