Finding the Fourth Proportional to 221,653,121.70, 332,511,175.35 and 68,283,185.70
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Solution
The fourth proportional to 221,653,121.70, 332,511,175.35 and 68,283,185.70 is: 102,434,480.32
Step by Step Solution
- Step 1: Write the proportion equation
221,653,121.70 : 332,511,175.35 = 68,283,185.70 : x - Step 2: Convert to fraction form
221,653,121.70/332,511,175.35 = 68,283,185.70/x - Step 3: Cross multiply
221,653,121.70x = 332,511,175.35 × 68,283,185.70 - Step 4: Simplify right side
221,653,121.70x = 22,704,922,333,749,316 - Step 5: Solve for x
x = 22,704,922,333,749,316/221,653,121.70 - Step 6: Final answer
x = 102,434,480.32
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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.