Finding the Fourth Proportional to 56,789,193.66, 85,198,154.49 and 15,848,625.66
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Solution
The fourth proportional to 56,789,193.66, 85,198,154.49 and 15,848,625.66 is: 23,776,947.17
Step by Step Solution
- Step 1: Write the proportion equation
56,789,193.66 : 85,198,154.49 = 15,848,625.66 : x - Step 2: Convert to fraction form
56,789,193.66/85,198,154.49 = 15,848,625.66/x - Step 3: Cross multiply
56,789,193.66x = 85,198,154.49 × 15,848,625.66 - Step 4: Simplify right side
56,789,193.66x = 1,350,273,657,434,858.25 - Step 5: Solve for x
x = 1,350,273,657,434,858.25/56,789,193.66 - Step 6: Final answer
x = 23,776,947.17
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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.