Finding the Fourth Proportional to 66,361,905.80, 99,542,858.70 and 55,024,497.80
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Solution
The fourth proportional to 66,361,905.80, 99,542,858.70 and 55,024,497.80 is: 82,536,746.70
Step by Step Solution
- Step 1: Write the proportion equation
66,361,905.80 : 99,542,858.70 = 55,024,497.80 : x - Step 2: Convert to fraction form
66,361,905.80/99,542,858.70 = 55,024,497.80/x - Step 3: Cross multiply
66,361,905.80x = 99,542,858.70 × 55,024,497.80 - Step 4: Simplify right side
66,361,905.80x = 5,477,295,809,543,861 - Step 5: Solve for x
x = 5,477,295,809,543,861/66,361,905.80 - Step 6: Final answer
x = 82,536,746.70
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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.