Finding the Fourth Proportional to 53,642,860.81, 74,053,389.96 and 35,995,449.31
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Solution
The fourth proportional to 53,642,860.81, 74,053,389.96 and 35,995,449.31 is: 49,691,328.99
Step by Step Solution
- Step 1: Write the proportion equation
53,642,860.81 : 74,053,389.96 = 35,995,449.31 : x - Step 2: Convert to fraction form
53,642,860.81/74,053,389.96 = 35,995,449.31/x - Step 3: Cross multiply
53,642,860.81x = 74,053,389.96 × 35,995,449.31 - Step 4: Simplify right side
53,642,860.81x = 2,665,585,044,538,843 - Step 5: Solve for x
x = 2,665,585,044,538,843/53,642,860.81 - Step 6: Final answer
x = 49,691,328.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.