Finding the Fourth Proportional to 80,350,885.44, 110,879,513.28 and 43,681,135.68
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Solution
The fourth proportional to 80,350,885.44, 110,879,513.28 and 43,681,135.68 is: 60,277,407.49
Step by Step Solution
- Step 1: Write the proportion equation
80,350,885.44 : 110,879,513.28 = 43,681,135.68 : x - Step 2: Convert to fraction form
80,350,885.44/110,879,513.28 = 43,681,135.68/x - Step 3: Cross multiply
80,350,885.44x = 110,879,513.28 × 43,681,135.68 - Step 4: Simplify right side
80,350,885.44x = 4,843,343,063,716,042 - Step 5: Solve for x
x = 4,843,343,063,716,042/80,350,885.44 - Step 6: Final answer
x = 60,277,407.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.