Finding the Fourth Proportional to 35,085,101.49, 48,414,982.15 and 20,399,725.91
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Solution
The fourth proportional to 35,085,101.49, 48,414,982.15 and 20,399,725.91 is: 28,150,192.64
Step by Step Solution
- Step 1: Write the proportion equation
35,085,101.49 : 48,414,982.15 = 20,399,725.91 : x - Step 2: Convert to fraction form
35,085,101.49/48,414,982.15 = 20,399,725.91/x - Step 3: Cross multiply
35,085,101.49x = 48,414,982.15 × 20,399,725.91 - Step 4: Simplify right side
35,085,101.49x = 987,652,365,695,544 - Step 5: Solve for x
x = 987,652,365,695,544/35,085,101.49 - Step 6: Final answer
x = 28,150,192.64
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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.