Finding the Fourth Proportional to 235,431,511.76, 324,874,368.92 and 136,318,948.55
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Solution
The fourth proportional to 235,431,511.76, 324,874,368.92 and 136,318,948.55 is: 188,107,921.70
Step by Step Solution
- Step 1: Write the proportion equation
235,431,511.76 : 324,874,368.92 = 136,318,948.55 : x - Step 2: Convert to fraction form
235,431,511.76/324,874,368.92 = 136,318,948.55/x - Step 3: Cross multiply
235,431,511.76x = 324,874,368.92 × 136,318,948.55 - Step 4: Simplify right side
235,431,511.76x = 44,286,532,379,713,232 - Step 5: Solve for x
x = 44,286,532,379,713,232/235,431,511.76 - Step 6: Final answer
x = 188,107,921.70
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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.