Finding the Fourth Proportional to 235,431,511.01, 324,874,367.88 and 136,318,947.80
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Solution
The fourth proportional to 235,431,511.01, 324,874,367.88 and 136,318,947.80 is: 188,107,920.67
Step by Step Solution
- Step 1: Write the proportion equation
235,431,511.01 : 324,874,367.88 = 136,318,947.80 : x - Step 2: Convert to fraction form
235,431,511.01/324,874,367.88 = 136,318,947.80/x - Step 3: Cross multiply
235,431,511.01x = 324,874,367.88 × 136,318,947.80 - Step 4: Simplify right side
235,431,511.01x = 44,286,531,994,967,336 - Step 5: Solve for x
x = 44,286,531,994,967,336/235,431,511.01 - Step 6: Final answer
x = 188,107,920.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.