Finding the Fourth Proportional to 169,396,630.16, 233,635,558.61 and 122,529,512.97
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Solution
The fourth proportional to 169,396,630.16, 233,635,558.61 and 122,529,512.97 is: 168,995,399.63
Step by Step Solution
- Step 1: Write the proportion equation
169,396,630.16 : 233,635,558.61 = 122,529,512.97 : x - Step 2: Convert to fraction form
169,396,630.16/233,635,558.61 = 122,529,512.97/x - Step 3: Cross multiply
169,396,630.16x = 233,635,558.61 × 122,529,512.97 - Step 4: Simplify right side
169,396,630.16x = 28,627,251,209,263,516 - Step 5: Solve for x
x = 28,627,251,209,263,516/169,396,630.16 - Step 6: Final answer
x = 168,995,399.63
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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.