Finding the Fourth Proportional to 53,392,075.80, 80,088,113.70 and 29,121,624.60
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Solution
The fourth proportional to 53,392,075.80, 80,088,113.70 and 29,121,624.60 is: 43,682,436.90
Step by Step Solution
- Step 1: Write the proportion equation
53,392,075.80 : 80,088,113.70 = 29,121,624.60 : x - Step 2: Convert to fraction form
53,392,075.80/80,088,113.70 = 29,121,624.60/x - Step 3: Cross multiply
53,392,075.80x = 80,088,113.70 × 29,121,624.60 - Step 4: Simplify right side
53,392,075.80x = 2,332,295,982,093,517 - Step 5: Solve for x
x = 2,332,295,982,093,517/53,392,075.80 - Step 6: Final answer
x = 43,682,436.90
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1.5x scale
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.