Finding the Fourth Proportional to 149,760,163.60, 210,268,890.80 and 149,760,163.60
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Solution
The fourth proportional to 149,760,163.60, 210,268,890.80 and 149,760,163.60 is: 210,268,890.80
Step by Step Solution
- Step 1: Write the proportion equation
149,760,163.60 : 210,268,890.80 = 149,760,163.60 : x - Step 2: Convert to fraction form
149,760,163.60/210,268,890.80 = 149,760,163.60/x - Step 3: Cross multiply
149,760,163.60x = 210,268,890.80 × 149,760,163.60 - Step 4: Simplify right side
149,760,163.60x = 31,489,903,486,198,536 - Step 5: Solve for x
x = 31,489,903,486,198,536/149,760,163.60 - Step 6: Final answer
x = 210,268,890.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.