Finding the Fourth Proportional to 78,743,244.84, 118,175,153.94 and 35,642,716.08
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Solution
The fourth proportional to 78,743,244.84, 118,175,153.94 and 35,642,716.08 is: 53,491,362.57
Step by Step Solution
- Step 1: Write the proportion equation
78,743,244.84 : 118,175,153.94 = 35,642,716.08 : x - Step 2: Convert to fraction form
78,743,244.84/118,175,153.94 = 35,642,716.08/x - Step 3: Cross multiply
78,743,244.84x = 118,175,153.94 × 35,642,716.08 - Step 4: Simplify right side
78,743,244.84x = 4,212,083,459,593,713 - Step 5: Solve for x
x = 4,212,083,459,593,713/78,743,244.84 - Step 6: Final answer
x = 53,491,362.57
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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.