Finding the Fourth Proportional to 75,694,891.96, 104,458,991.28 and 40,887,581.68
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Solution
The fourth proportional to 75,694,891.96, 104,458,991.28 and 40,887,581.68 is: 56,424,884.53
Step by Step Solution
- Step 1: Write the proportion equation
75,694,891.96 : 104,458,991.28 = 40,887,581.68 : x - Step 2: Convert to fraction form
75,694,891.96/104,458,991.28 = 40,887,581.68/x - Step 3: Cross multiply
75,694,891.96x = 104,458,991.28 × 40,887,581.68 - Step 4: Simplify right side
75,694,891.96x = 4,271,075,538,171,408 - Step 5: Solve for x
x = 4,271,075,538,171,408/75,694,891.96 - Step 6: Final answer
x = 56,424,884.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.