Finding the Fourth Proportional to 76,894,807.38, 106,115,157.72 and 41,612,614.19
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Solution
The fourth proportional to 76,894,807.38, 106,115,157.72 and 41,612,614.19 is: 57,425,582.66
Step by Step Solution
- Step 1: Write the proportion equation
76,894,807.38 : 106,115,157.72 = 41,612,614.19 : x - Step 2: Convert to fraction form
76,894,807.38/106,115,157.72 = 41,612,614.19/x - Step 3: Cross multiply
76,894,807.38x = 106,115,157.72 × 41,612,614.19 - Step 4: Simplify right side
76,894,807.38x = 4,415,729,117,382,784.50 - Step 5: Solve for x
x = 4,415,729,117,382,784.50/76,894,807.38 - Step 6: Final answer
x = 57,425,582.66
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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.