Finding the Fourth Proportional to 157,448,088.14, 217,321,578.11 and 91,389,868.36
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Solution
The fourth proportional to 157,448,088.14, 217,321,578.11 and 91,389,868.36 is: 126,143,103.10
Step by Step Solution
- Step 1: Write the proportion equation
157,448,088.14 : 217,321,578.11 = 91,389,868.36 : x - Step 2: Convert to fraction form
157,448,088.14/217,321,578.11 = 91,389,868.36/x - Step 3: Cross multiply
157,448,088.14x = 217,321,578.11 × 91,389,868.36 - Step 4: Simplify right side
157,448,088.14x = 19,860,990,414,945,528 - Step 5: Solve for x
x = 19,860,990,414,945,528/157,448,088.14 - Step 6: Final answer
x = 126,143,103.10
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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.