Finding the Fourth Proportional to 55,741,961.60, 83,580,399.84 and 21,623,439.68
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Solution
The fourth proportional to 55,741,961.60, 83,580,399.84 and 21,623,439.68 is: 32,422,535.60
Step by Step Solution
- Step 1: Write the proportion equation
55,741,961.60 : 83,580,399.84 = 21,623,439.68 : x - Step 2: Convert to fraction form
55,741,961.60/83,580,399.84 = 21,623,439.68/x - Step 3: Cross multiply
55,741,961.60x = 83,580,399.84 × 21,623,439.68 - Step 4: Simplify right side
55,741,961.60x = 1,807,295,734,370,521.75 - Step 5: Solve for x
x = 1,807,295,734,370,521.75/55,741,961.60 - Step 6: Final answer
x = 32,422,535.60
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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.