Finding the Fourth Proportional to 73,512,043.20, 110,268,064.80 and 48,853,180.80
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Solution
The fourth proportional to 73,512,043.20, 110,268,064.80 and 48,853,180.80 is: 73,279,771.20
Step by Step Solution
- Step 1: Write the proportion equation
73,512,043.20 : 110,268,064.80 = 48,853,180.80 : x - Step 2: Convert to fraction form
73,512,043.20/110,268,064.80 = 48,853,180.80/x - Step 3: Cross multiply
73,512,043.20x = 110,268,064.80 × 48,853,180.80 - Step 4: Simplify right side
73,512,043.20x = 5,386,945,706,140,515 - Step 5: Solve for x
x = 5,386,945,706,140,515/73,512,043.20 - Step 6: Final answer
x = 73,279,771.20
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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.