Finding the Fourth Proportional to 122,517,258.40, 183,775,887.60 and 54,366,839.20
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Solution
The fourth proportional to 122,517,258.40, 183,775,887.60 and 54,366,839.20 is: 81,550,258.80
Step by Step Solution
- Step 1: Write the proportion equation
122,517,258.40 : 183,775,887.60 = 54,366,839.20 : x - Step 2: Convert to fraction form
122,517,258.40/183,775,887.60 = 54,366,839.20/x - Step 3: Cross multiply
122,517,258.40x = 183,775,887.60 × 54,366,839.20 - Step 4: Simplify right side
122,517,258.40x = 9,991,314,129,986,474 - Step 5: Solve for x
x = 9,991,314,129,986,474/122,517,258.40 - Step 6: Final answer
x = 81,550,258.80
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1.5x scale
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.