Finding the Fourth Proportional to 86,351,199.09, 129,519,521.39 and 37,165,066.08
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Solution
The fourth proportional to 86,351,199.09, 129,519,521.39 and 37,165,066.08 is: 55,744,467.03
Step by Step Solution
- Step 1: Write the proportion equation
86,351,199.09 : 129,519,521.39 = 37,165,066.08 : x - Step 2: Convert to fraction form
86,351,199.09/129,519,521.39 = 37,165,066.08/x - Step 3: Cross multiply
86,351,199.09x = 129,519,521.39 × 37,165,066.08 - Step 4: Simplify right side
86,351,199.09x = 4,813,601,570,507,670 - Step 5: Solve for x
x = 4,813,601,570,507,670/86,351,199.09 - Step 6: Final answer
x = 55,744,467.03
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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.