Finding the Fourth Proportional to 129,534,808.10, 194,177,796.15 and 74,891,300.90
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Solution
The fourth proportional to 129,534,808.10, 194,177,796.15 and 74,891,300.90 is: 112,265,019.52
Step by Step Solution
- Step 1: Write the proportion equation
129,534,808.10 : 194,177,796.15 = 74,891,300.90 : x - Step 2: Convert to fraction form
129,534,808.10/194,177,796.15 = 74,891,300.90/x - Step 3: Cross multiply
129,534,808.10x = 194,177,796.15 × 74,891,300.90 - Step 4: Simplify right side
129,534,808.10x = 14,542,227,759,568,514 - Step 5: Solve for x
x = 14,542,227,759,568,514/129,534,808.10 - Step 6: Final answer
x = 112,265,019.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.