Finding the Fourth Proportional to 122,208,914.69, 168,643,170.57 and 69,289,183.34
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Solution
The fourth proportional to 122,208,914.69, 168,643,170.57 and 69,289,183.34 is: 95,616,163.47
Step by Step Solution
- Step 1: Write the proportion equation
122,208,914.69 : 168,643,170.57 = 69,289,183.34 : x - Step 2: Convert to fraction form
122,208,914.69/168,643,170.57 = 69,289,183.34/x - Step 3: Cross multiply
122,208,914.69x = 168,643,170.57 × 69,289,183.34 - Step 4: Simplify right side
122,208,914.69x = 11,685,147,564,663,622 - Step 5: Solve for x
x = 11,685,147,564,663,622/122,208,914.69 - Step 6: Final answer
x = 95,616,163.47
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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.