Finding the Fourth Proportional to 84,428,954.60, 126,643,431.90 and 44,034,189.80
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Solution
The fourth proportional to 84,428,954.60, 126,643,431.90 and 44,034,189.80 is: 66,051,284.70
Step by Step Solution
- Step 1: Write the proportion equation
84,428,954.60 : 126,643,431.90 = 44,034,189.80 : x - Step 2: Convert to fraction form
84,428,954.60/126,643,431.90 = 44,034,189.80/x - Step 3: Cross multiply
84,428,954.60x = 126,643,431.90 × 44,034,189.80 - Step 4: Simplify right side
84,428,954.60x = 5,576,640,917,207,975 - Step 5: Solve for x
x = 5,576,640,917,207,975/84,428,954.60 - Step 6: Final answer
x = 66,051,284.70
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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.