Finding the Fourth Proportional to 85,303,437,839.34, 117,662,062,028.15 and 54,858,113,193.44
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Solution
The fourth proportional to 85,303,437,839.34, 117,662,062,028.15 and 54,858,113,193.44 is: 75,667,744,241.09
Step by Step Solution
- Step 1: Write the proportion equation
85,303,437,839.34 : 117,662,062,028.15 = 54,858,113,193.44 : x - Step 2: Convert to fraction form
85,303,437,839.34/117,662,062,028.15 = 54,858,113,193.44/x - Step 3: Cross multiply
85,303,437,839.34x = 117,662,062,028.15 × 54,858,113,193.44 - Step 4: Simplify right side
85,303,437,839.34x = 6,454,718,717,313,222,180,864 - Step 5: Solve for x
x = 6,454,718,717,313,222,180,864/85,303,437,839.34 - Step 6: Final answer
x = 75,667,744,241.09
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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.