Finding the Fourth Proportional to 128,351,152.99, 191,447,600.63 and 116,568,172.27
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Solution
The fourth proportional to 128,351,152.99, 191,447,600.63 and 116,568,172.27 is: 173,872,196.49
Step by Step Solution
- Step 1: Write the proportion equation
128,351,152.99 : 191,447,600.63 = 116,568,172.27 : x - Step 2: Convert to fraction form
128,351,152.99/191,447,600.63 = 116,568,172.27/x - Step 3: Cross multiply
128,351,152.99x = 191,447,600.63 × 116,568,172.27 - Step 4: Simplify right side
128,351,152.99x = 22,316,696,891,665,880 - Step 5: Solve for x
x = 22,316,696,891,665,880/128,351,152.99 - Step 6: Final answer
x = 173,872,196.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.