Finding the Fourth Proportional to 107,285,694.09, 148,106,741.94 and 71,990,871.14
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Solution
The fourth proportional to 107,285,694.09, 148,106,741.94 and 71,990,871.14 is: 99,382,620.06
Step by Step Solution
- Step 1: Write the proportion equation
107,285,694.09 : 148,106,741.94 = 71,990,871.14 : x - Step 2: Convert to fraction form
107,285,694.09/148,106,741.94 = 71,990,871.14/x - Step 3: Cross multiply
107,285,694.09x = 148,106,741.94 × 71,990,871.14 - Step 4: Simplify right side
107,285,694.09x = 10,662,333,373,227,240 - Step 5: Solve for x
x = 10,662,333,373,227,240/107,285,694.09 - Step 6: Final answer
x = 99,382,620.06
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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.