Finding the Fourth Proportional to 53,633,642.56, 80,451,201.96 and 15,295,160.77
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Solution
The fourth proportional to 53,633,642.56, 80,451,201.96 and 15,295,160.77 is: 22,942,951.65
Step by Step Solution
- Step 1: Write the proportion equation
53,633,642.56 : 80,451,201.96 = 15,295,160.77 : x - Step 2: Convert to fraction form
53,633,642.56/80,451,201.96 = 15,295,160.77/x - Step 3: Cross multiply
53,633,642.56x = 80,451,201.96 × 15,295,160.77 - Step 4: Simplify right side
53,633,642.56x = 1,230,514,068,117,939 - Step 5: Solve for x
x = 1,230,514,068,117,939/53,633,642.56 - Step 6: Final answer
x = 22,942,951.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.