Finding the Fourth Proportional to 80,721,513.02, 121,052,375.51 and 26,119,936.08
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Solution
The fourth proportional to 80,721,513.02, 121,052,375.51 and 26,119,936.08 is: 39,170,230.98
Step by Step Solution
- Step 1: Write the proportion equation
80,721,513.02 : 121,052,375.51 = 26,119,936.08 : x - Step 2: Convert to fraction form
80,721,513.02/121,052,375.51 = 26,119,936.08/x - Step 3: Cross multiply
80,721,513.02x = 121,052,375.51 × 26,119,936.08 - Step 4: Simplify right side
80,721,513.02x = 3,161,880,310,522,757.50 - Step 5: Solve for x
x = 3,161,880,310,522,757.50/80,721,513.02 - Step 6: Final answer
x = 39,170,230.98
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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.