Finding the Fourth Proportional to 170,669,396.69, 235,524,176.84 and 92,353,790.55
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Solution
The fourth proportional to 170,669,396.69, 235,524,176.84 and 92,353,790.55 is: 127,448,452.50
Step by Step Solution
- Step 1: Write the proportion equation
170,669,396.69 : 235,524,176.84 = 92,353,790.55 : x - Step 2: Convert to fraction form
170,669,396.69/235,524,176.84 = 92,353,790.55/x - Step 3: Cross multiply
170,669,396.69x = 235,524,176.84 × 92,353,790.55 - Step 4: Simplify right side
170,669,396.69x = 21,751,550,497,937,592 - Step 5: Solve for x
x = 21,751,550,497,937,592/170,669,396.69 - Step 6: Final answer
x = 127,448,452.50
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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.