Finding the Fourth Proportional to 161,325,539,986.44, 222,648,767,277.43 and 91,818,080,592.19
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Solution
The fourth proportional to 161,325,539,986.44, 222,648,767,277.43 and 91,818,080,592.19 is: 126,720,062,175.82
Step by Step Solution
- Step 1: Write the proportion equation
161,325,539,986.44 : 222,648,767,277.43 = 91,818,080,592.19 : x - Step 2: Convert to fraction form
161,325,539,986.44/222,648,767,277.43 = 91,818,080,592.19/x - Step 3: Cross multiply
161,325,539,986.44x = 222,648,767,277.43 × 91,818,080,592.19 - Step 4: Simplify right side
161,325,539,986.44x = 20,443,182,457,629,932,781,568 - Step 5: Solve for x
x = 20,443,182,457,629,932,781,568/161,325,539,986.44 - Step 6: Final answer
x = 126,720,062,175.82
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1.5x scale
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.