Finding the Fourth Proportional to 91,158,482.41, 136,759,476.88 and 29,747,755.37
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Solution
The fourth proportional to 91,158,482.41, 136,759,476.88 and 29,747,755.37 is: 44,628,731.80
Step by Step Solution
- Step 1: Write the proportion equation
91,158,482.41 : 136,759,476.88 = 29,747,755.37 : x - Step 2: Convert to fraction form
91,158,482.41/136,759,476.88 = 29,747,755.37/x - Step 3: Cross multiply
91,158,482.41x = 136,759,476.88 × 29,747,755.37 - Step 4: Simplify right side
91,158,482.41x = 4,068,287,462,755,411 - Step 5: Solve for x
x = 4,068,287,462,755,411/91,158,482.41 - Step 6: Final answer
x = 44,628,731.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.