Finding the Fourth Proportional to 129,378,604.29, 193,954,532.36 and 48,656,259.33
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Solution
The fourth proportional to 129,378,604.29, 193,954,532.36 and 48,656,259.33 is: 72,941,751.66
Step by Step Solution
- Step 1: Write the proportion equation
129,378,604.29 : 193,954,532.36 = 48,656,259.33 : x - Step 2: Convert to fraction form
129,378,604.29/193,954,532.36 = 48,656,259.33/x - Step 3: Cross multiply
129,378,604.29x = 193,954,532.36 × 48,656,259.33 - Step 4: Simplify right side
129,378,604.29x = 9,437,102,024,493,754 - Step 5: Solve for x
x = 9,437,102,024,493,754/129,378,604.29 - Step 6: Final answer
x = 72,941,751.66
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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.