Finding the Fourth Proportional to 135,987,222.17, 204,020,626.94 and 43,869,188.09
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Solution
The fourth proportional to 135,987,222.17, 204,020,626.94 and 43,869,188.09 is: 65,816,619.49
Step by Step Solution
- Step 1: Write the proportion equation
135,987,222.17 : 204,020,626.94 = 43,869,188.09 : x - Step 2: Convert to fraction form
135,987,222.17/204,020,626.94 = 43,869,188.09/x - Step 3: Cross multiply
135,987,222.17x = 204,020,626.94 × 43,869,188.09 - Step 4: Simplify right side
135,987,222.17x = 8,950,219,257,251,236 - Step 5: Solve for x
x = 8,950,219,257,251,236/135,987,222.17 - Step 6: Final answer
x = 65,816,619.49
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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.