Finding the Fourth Proportional to 149,659,163.88, 205,029,647.81 and 144,063,673.96
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Solution
The fourth proportional to 149,659,163.88, 205,029,647.81 and 144,063,673.96 is: 197,363,953.99
Step by Step Solution
- Step 1: Write the proportion equation
149,659,163.88 : 205,029,647.81 = 144,063,673.96 : x - Step 2: Convert to fraction form
149,659,163.88/205,029,647.81 = 144,063,673.96/x - Step 3: Cross multiply
149,659,163.88x = 205,029,647.81 × 144,063,673.96 - Step 4: Simplify right side
149,659,163.88x = 29,537,324,334,233,472 - Step 5: Solve for x
x = 29,537,324,334,233,472/149,659,163.88 - Step 6: Final answer
x = 197,363,953.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.