Finding the Fourth Proportional to 75,873,984.05, 104,694,953.39 and 42,379,336.84
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Solution
The fourth proportional to 75,873,984.05, 104,694,953.39 and 42,379,336.84 is: 58,477,260.03
Step by Step Solution
- Step 1: Write the proportion equation
75,873,984.05 : 104,694,953.39 = 42,379,336.84 : x - Step 2: Convert to fraction form
75,873,984.05/104,694,953.39 = 42,379,336.84/x - Step 3: Cross multiply
75,873,984.05x = 104,694,953.39 × 42,379,336.84 - Step 4: Simplify right side
75,873,984.05x = 4,436,902,694,910,582.50 - Step 5: Solve for x
x = 4,436,902,694,910,582.50/75,873,984.05 - Step 6: Final answer
x = 58,477,260.03
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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.