Finding the Fourth Proportional to 129,162,163.14, 193,633,511.99 and 60,115,063.01
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Solution
The fourth proportional to 129,162,163.14, 193,633,511.99 and 60,115,063.01 is: 90,121,522.36
Step by Step Solution
- Step 1: Write the proportion equation
129,162,163.14 : 193,633,511.99 = 60,115,063.01 : x - Step 2: Convert to fraction form
129,162,163.14/193,633,511.99 = 60,115,063.01/x - Step 3: Cross multiply
129,162,163.14x = 193,633,511.99 × 60,115,063.01 - Step 4: Simplify right side
129,162,163.14x = 11,640,290,772,857,698 - Step 5: Solve for x
x = 11,640,290,772,857,698/129,162,163.14 - Step 6: Final answer
x = 90,121,522.36
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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.