Finding the Fourth Proportional to 66,268,742.12, 91,449,992.13 and 36,498,818.51
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Solution
The fourth proportional to 66,268,742.12, 91,449,992.13 and 36,498,818.51 is: 50,367,889.28
Step by Step Solution
- Step 1: Write the proportion equation
66,268,742.12 : 91,449,992.13 = 36,498,818.51 : x - Step 2: Convert to fraction form
66,268,742.12/91,449,992.13 = 36,498,818.51/x - Step 3: Cross multiply
66,268,742.12x = 91,449,992.13 × 36,498,818.51 - Step 4: Simplify right side
66,268,742.12x = 3,337,816,665,493,798 - Step 5: Solve for x
x = 3,337,816,665,493,798/66,268,742.12 - Step 6: Final answer
x = 50,367,889.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.