Finding the Fourth Proportional to 106,947,081.80, 160,420,622.70 and 49,551,453.80
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Solution
The fourth proportional to 106,947,081.80, 160,420,622.70 and 49,551,453.80 is: 74,327,180.70
Step by Step Solution
- Step 1: Write the proportion equation
106,947,081.80 : 160,420,622.70 = 49,551,453.80 : x - Step 2: Convert to fraction form
106,947,081.80/160,420,622.70 = 49,551,453.80/x - Step 3: Cross multiply
106,947,081.80x = 160,420,622.70 × 49,551,453.80 - Step 4: Simplify right side
106,947,081.80x = 7,949,075,074,286,280 - Step 5: Solve for x
x = 7,949,075,074,286,280/106,947,081.80 - Step 6: Final answer
x = 74,327,180.70
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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.