Finding the Fourth Proportional to 171,343,138.94, 257,161,467.11 and 170,053,418.79
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Solution
The fourth proportional to 171,343,138.94, 257,161,467.11 and 170,053,418.79 is: 255,225,782.21
Step by Step Solution
- Step 1: Write the proportion equation
171,343,138.94 : 257,161,467.11 = 170,053,418.79 : x - Step 2: Convert to fraction form
171,343,138.94/257,161,467.11 = 170,053,418.79/x - Step 3: Cross multiply
171,343,138.94x = 257,161,467.11 × 170,053,418.79 - Step 4: Simplify right side
171,343,138.94x = 43,731,186,663,213,072 - Step 5: Solve for x
x = 43,731,186,663,213,072/171,343,138.94 - Step 6: Final answer
x = 255,225,782.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.