Finding the Fourth Proportional to 169,396,631.16, 233,635,559.99 and 122,529,513.97
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Solution
The fourth proportional to 169,396,631.16, 233,635,559.99 and 122,529,513.97 is: 168,995,401.00
Step by Step Solution
- Step 1: Write the proportion equation
169,396,631.16 : 233,635,559.99 = 122,529,513.97 : x - Step 2: Convert to fraction form
169,396,631.16/233,635,559.99 = 122,529,513.97/x - Step 3: Cross multiply
169,396,631.16x = 233,635,559.99 × 122,529,513.97 - Step 4: Simplify right side
169,396,631.16x = 28,627,251,611,683,480 - Step 5: Solve for x
x = 28,627,251,611,683,480/169,396,631.16 - Step 6: Final answer
x = 168,995,401.00
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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.