Finding the Fourth Proportional to 71,215,277.20, 106,838,662.20 and 32,867,544.40
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Solution
The fourth proportional to 71,215,277.20, 106,838,662.20 and 32,867,544.40 is: 49,308,583.94
Step by Step Solution
- Step 1: Write the proportion equation
71,215,277.20 : 106,838,662.20 = 32,867,544.40 : x - Step 2: Convert to fraction form
71,215,277.20/106,838,662.20 = 32,867,544.40/x - Step 3: Cross multiply
71,215,277.20x = 106,838,662.20 × 32,867,544.40 - Step 4: Simplify right side
71,215,277.20x = 3,511,524,473,495,101.50 - Step 5: Solve for x
x = 3,511,524,473,495,101.50/71,215,277.20 - Step 6: Final answer
x = 49,308,583.94
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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.