Finding the Fourth Proportional to 129,004,242.09, 193,434,979.47 and 51,202,329.45
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Solution
The fourth proportional to 129,004,242.09, 193,434,979.47 and 51,202,329.45 is: 76,775,161.70
Step by Step Solution
- Step 1: Write the proportion equation
129,004,242.09 : 193,434,979.47 = 51,202,329.45 : x - Step 2: Convert to fraction form
129,004,242.09/193,434,979.47 = 51,202,329.45/x - Step 3: Cross multiply
129,004,242.09x = 193,434,979.47 × 51,202,329.45 - Step 4: Simplify right side
129,004,242.09x = 9,904,321,545,976,926 - Step 5: Solve for x
x = 9,904,321,545,976,926/129,004,242.09 - Step 6: Final answer
x = 76,775,161.70
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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.