Finding the Fourth Proportional to 193,932,496.08, 267,632,523.36 and 105,832,170.81
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Solution
The fourth proportional to 193,932,496.08, 267,632,523.36 and 105,832,170.81 is: 146,051,494.72
Step by Step Solution
- Step 1: Write the proportion equation
193,932,496.08 : 267,632,523.36 = 105,832,170.81 : x - Step 2: Convert to fraction form
193,932,496.08/267,632,523.36 = 105,832,170.81/x - Step 3: Cross multiply
193,932,496.08x = 267,632,523.36 × 105,832,170.81 - Step 4: Simplify right side
193,932,496.08x = 28,324,130,926,546,836 - Step 5: Solve for x
x = 28,324,130,926,546,836/193,932,496.08 - Step 6: Final answer
x = 146,051,494.72
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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.