Finding the Fourth Proportional to 177,626,614.23, 245,133,921.13 and 102,284,133.44
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Solution
The fourth proportional to 177,626,614.23, 245,133,921.13 and 102,284,133.44 is: 141,157,398.11
Step by Step Solution
- Step 1: Write the proportion equation
177,626,614.23 : 245,133,921.13 = 102,284,133.44 : x - Step 2: Convert to fraction form
177,626,614.23/245,133,921.13 = 102,284,133.44/x - Step 3: Cross multiply
177,626,614.23x = 245,133,921.13 × 102,284,133.44 - Step 4: Simplify right side
177,626,614.23x = 25,073,310,700,060,684 - Step 5: Solve for x
x = 25,073,310,700,060,684/177,626,614.23 - Step 6: Final answer
x = 141,157,398.11
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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.