Finding the Fourth Proportional to 102,891,742.44, 141,986,930.94 and 58,236,756.36
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Solution
The fourth proportional to 102,891,742.44, 141,986,930.94 and 58,236,756.36 is: 80,364,644.50
Step by Step Solution
- Step 1: Write the proportion equation
102,891,742.44 : 141,986,930.94 = 58,236,756.36 : x - Step 2: Convert to fraction form
102,891,742.44/141,986,930.94 = 58,236,756.36/x - Step 3: Cross multiply
102,891,742.44x = 141,986,930.94 × 58,236,756.36 - Step 4: Simplify right side
102,891,742.44x = 8,268,858,303,456,926 - Step 5: Solve for x
x = 8,268,858,303,456,926/102,891,742.44 - Step 6: Final answer
x = 80,364,644.50
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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.