Finding the Fourth Proportional to 53,448,935.30, 80,173,669.87 and 18,905,368.92
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Solution
The fourth proportional to 53,448,935.30, 80,173,669.87 and 18,905,368.92 is: 28,358,147.78
Step by Step Solution
- Step 1: Write the proportion equation
53,448,935.30 : 80,173,669.87 = 18,905,368.92 : x - Step 2: Convert to fraction form
53,448,935.30/80,173,669.87 = 18,905,368.92/x - Step 3: Cross multiply
53,448,935.30x = 80,173,669.87 × 18,905,368.92 - Step 4: Simplify right side
53,448,935.30x = 1,515,712,806,161,770 - Step 5: Solve for x
x = 1,515,712,806,161,770/53,448,935.30 - Step 6: Final answer
x = 28,358,147.78
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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.