Finding the Fourth Proportional to 68,594,236,192.60, 102,879,942,090.08 and 20,775,876,583.84
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Solution
The fourth proportional to 68,594,236,192.60, 102,879,942,090.08 and 20,775,876,583.84 is: 31,160,358,339.94
Step by Step Solution
- Step 1: Write the proportion equation
68,594,236,192.60 : 102,879,942,090.08 = 20,775,876,583.84 : x - Step 2: Convert to fraction form
68,594,236,192.60/102,879,942,090.08 = 20,775,876,583.84/x - Step 3: Cross multiply
68,594,236,192.60x = 102,879,942,090.08 × 20,775,876,583.84 - Step 4: Simplify right side
68,594,236,192.60x = 2,137,420,979,816,108,392,448 - Step 5: Solve for x
x = 2,137,420,979,816,108,392,448/68,594,236,192.60 - Step 6: Final answer
x = 31,160,358,339.94
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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.