Finding the Fourth Proportional to 117,517,809.70, 164,694,994.70 and 117,517,809.70
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Solution
The fourth proportional to 117,517,809.70, 164,694,994.70 and 117,517,809.70 is: 164,694,994.70
Step by Step Solution
- Step 1: Write the proportion equation
117,517,809.70 : 164,694,994.70 = 117,517,809.70 : x - Step 2: Convert to fraction form
117,517,809.70/164,694,994.70 = 117,517,809.70/x - Step 3: Cross multiply
117,517,809.70x = 164,694,994.70 × 117,517,809.70 - Step 4: Simplify right side
117,517,809.70x = 19,354,595,045,697,108 - Step 5: Solve for x
x = 19,354,595,045,697,108/117,517,809.70 - Step 6: Final answer
x = 164,694,994.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.