Finding the Fourth Proportional to 98,609,114.94, 136,075,599.36 and 53,954,120.58
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Solution
The fourth proportional to 98,609,114.94, 136,075,599.36 and 53,954,120.58 is: 74,453,961.99
Step by Step Solution
- Step 1: Write the proportion equation
98,609,114.94 : 136,075,599.36 = 53,954,120.58 : x - Step 2: Convert to fraction form
98,609,114.94/136,075,599.36 = 53,954,120.58/x - Step 3: Cross multiply
98,609,114.94x = 136,075,599.36 × 53,954,120.58 - Step 4: Simplify right side
98,609,114.94x = 7,341,839,295,865,211 - Step 5: Solve for x
x = 7,341,839,295,865,211/98,609,114.94 - Step 6: Final answer
x = 74,453,961.99
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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.