Finding the Fourth Proportional to 53,386,337.23, 80,085,804.41 and 40,008,195.79
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Solution
The fourth proportional to 53,386,337.23, 80,085,804.41 and 40,008,195.79 is: 60,017,013.89
Step by Step Solution
- Step 1: Write the proportion equation
53,386,337.23 : 80,085,804.41 = 40,008,195.79 : x - Step 2: Convert to fraction form
53,386,337.23/80,085,804.41 = 40,008,195.79/x - Step 3: Cross multiply
53,386,337.23x = 80,085,804.41 × 40,008,195.79 - Step 4: Simplify right side
53,386,337.23x = 3,204,088,542,834,925 - Step 5: Solve for x
x = 3,204,088,542,834,925/53,386,337.23 - Step 6: Final answer
x = 60,017,013.89
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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.