Finding the Fourth Proportional to 129,534,809.10, 194,177,797.65 and 74,891,301.90
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Solution
The fourth proportional to 129,534,809.10, 194,177,797.65 and 74,891,301.90 is: 112,265,021.02
Step by Step Solution
- Step 1: Write the proportion equation
129,534,809.10 : 194,177,797.65 = 74,891,301.90 : x - Step 2: Convert to fraction form
129,534,809.10/194,177,797.65 = 74,891,301.90/x - Step 3: Cross multiply
129,534,809.10x = 194,177,797.65 × 74,891,301.90 - Step 4: Simplify right side
129,534,809.10x = 14,542,228,066,083,262 - Step 5: Solve for x
x = 14,542,228,066,083,262/129,534,809.10 - Step 6: Final answer
x = 112,265,021.02
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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.