Finding the Fourth Proportional to 161,325,540,277.44, 222,648,767,679.30 and 91,818,080,884.26
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Solution
The fourth proportional to 161,325,540,277.44, 222,648,767,679.30 and 91,818,080,884.26 is: 126,720,062,579.07
Step by Step Solution
- Step 1: Write the proportion equation
161,325,540,277.44 : 222,648,767,679.30 = 91,818,080,884.26 : x - Step 2: Convert to fraction form
161,325,540,277.44/222,648,767,679.30 = 91,818,080,884.26/x - Step 3: Cross multiply
161,325,540,277.44x = 222,648,767,679.30 × 91,818,080,884.26 - Step 4: Simplify right side
161,325,540,277.44x = 20,443,182,559,558,780,321,792 - Step 5: Solve for x
x = 20,443,182,559,558,780,321,792/161,325,540,277.44 - Step 6: Final answer
x = 126,720,062,579.07
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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.