Finding the Fourth Proportional to 40,120,251.01, 60,138,378.06 and 16,790,361.43
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Solution
The fourth proportional to 40,120,251.01, 60,138,378.06 and 16,790,361.43 is: 25,167,965.75
Step by Step Solution
- Step 1: Write the proportion equation
40,120,251.01 : 60,138,378.06 = 16,790,361.43 : x - Step 2: Convert to fraction form
40,120,251.01/60,138,378.06 = 16,790,361.43/x - Step 3: Cross multiply
40,120,251.01x = 60,138,378.06 × 16,790,361.43 - Step 4: Simplify right side
40,120,251.01x = 1,009,745,103,228,072.25 - Step 5: Solve for x
x = 1,009,745,103,228,072.25/40,120,251.01 - Step 6: Final answer
x = 25,167,965.75
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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.