Finding the Fourth Proportional to 106,585,373.97, 159,961,766.99 and 54,767,883.60
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Solution
The fourth proportional to 106,585,373.97, 159,961,766.99 and 54,767,883.60 is: 82,194,836.95
Step by Step Solution
- Step 1: Write the proportion equation
106,585,373.97 : 159,961,766.99 = 54,767,883.60 : x - Step 2: Convert to fraction form
106,585,373.97/159,961,766.99 = 54,767,883.60/x - Step 3: Cross multiply
106,585,373.97x = 159,961,766.99 × 54,767,883.60 - Step 4: Simplify right side
106,585,373.97x = 8,760,767,434,684,804 - Step 5: Solve for x
x = 8,760,767,434,684,804/106,585,373.97 - Step 6: Final answer
x = 82,194,836.95
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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.