Finding the Fourth Proportional to 79,741,532.08, 110,043,356.48 and 43,072,103.04
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Solution
The fourth proportional to 79,741,532.08, 110,043,356.48 and 43,072,103.04 is: 59,439,524.99
Step by Step Solution
- Step 1: Write the proportion equation
79,741,532.08 : 110,043,356.48 = 43,072,103.04 : x - Step 2: Convert to fraction form
79,741,532.08/110,043,356.48 = 43,072,103.04/x - Step 3: Cross multiply
79,741,532.08x = 110,043,356.48 × 43,072,103.04 - Step 4: Simplify right side
79,741,532.08x = 4,739,798,789,174,012 - Step 5: Solve for x
x = 4,739,798,789,174,012/79,741,532.08 - Step 6: Final answer
x = 59,439,524.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.