Finding the Fourth Proportional to 121,452,245.64, 167,606,518.68 and 66,449,283.12
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Solution
The fourth proportional to 121,452,245.64, 167,606,518.68 and 66,449,283.12 is: 91,701,334.58
Step by Step Solution
- Step 1: Write the proportion equation
121,452,245.64 : 167,606,518.68 = 66,449,283.12 : x - Step 2: Convert to fraction form
121,452,245.64/167,606,518.68 = 66,449,283.12/x - Step 3: Cross multiply
121,452,245.64x = 167,606,518.68 × 66,449,283.12 - Step 4: Simplify right side
121,452,245.64x = 11,137,333,012,524,888 - Step 5: Solve for x
x = 11,137,333,012,524,888/121,452,245.64 - Step 6: Final answer
x = 91,701,334.58
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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.