Finding the Fourth Proportional to 170,170,986.56, 234,944,568.29 and 138,883,775.63
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Solution
The fourth proportional to 170,170,986.56, 234,944,568.29 and 138,883,775.63 is: 191,748,249.03
Step by Step Solution
- Step 1: Write the proportion equation
170,170,986.56 : 234,944,568.29 = 138,883,775.63 : x - Step 2: Convert to fraction form
170,170,986.56/234,944,568.29 = 138,883,775.63/x - Step 3: Cross multiply
170,170,986.56x = 234,944,568.29 × 138,883,775.63 - Step 4: Simplify right side
170,170,986.56x = 32,629,988,707,048,056 - Step 5: Solve for x
x = 32,629,988,707,048,056/170,170,986.56 - Step 6: Final answer
x = 191,748,249.03
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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.