Finding the Fourth Proportional to 129,568,819.65, 177,853,199.97 and 114,555,611.40
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Solution
The fourth proportional to 129,568,819.65, 177,853,199.97 and 114,555,611.40 is: 157,245,254.82
Step by Step Solution
- Step 1: Write the proportion equation
129,568,819.65 : 177,853,199.97 = 114,555,611.40 : x - Step 2: Convert to fraction form
129,568,819.65/177,853,199.97 = 114,555,611.40/x - Step 3: Cross multiply
129,568,819.65x = 177,853,199.97 × 114,555,611.40 - Step 4: Simplify right side
129,568,819.65x = 20,374,082,062,009,812 - Step 5: Solve for x
x = 20,374,082,062,009,812/129,568,819.65 - Step 6: Final answer
x = 157,245,254.82
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.