Finding the Fourth Proportional to 163,270,438.16, 225,313,517.58 and 88,930,770.08
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Solution
The fourth proportional to 163,270,438.16, 225,313,517.58 and 88,930,770.08 is: 122,724,633.15
Step by Step Solution
- Step 1: Write the proportion equation
163,270,438.16 : 225,313,517.58 = 88,930,770.08 : x - Step 2: Convert to fraction form
163,270,438.16/225,313,517.58 = 88,930,770.08/x - Step 3: Cross multiply
163,270,438.16x = 225,313,517.58 × 88,930,770.08 - Step 4: Simplify right side
163,270,438.16x = 20,037,304,627,823,020 - Step 5: Solve for x
x = 20,037,304,627,823,020/163,270,438.16 - Step 6: Final answer
x = 122,724,633.15
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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.