Finding the Fourth Proportional to 53,321,431,603.99, 79,969,908,187.05 and 31,790,086,721.92
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Solution
The fourth proportional to 53,321,431,603.99, 79,969,908,187.05 and 31,790,086,721.92 is: 47,677,833,095.17
Step by Step Solution
- Step 1: Write the proportion equation
53,321,431,603.99 : 79,969,908,187.05 = 31,790,086,721.92 : x - Step 2: Convert to fraction form
53,321,431,603.99/79,969,908,187.05 = 31,790,086,721.92/x - Step 3: Cross multiply
53,321,431,603.99x = 79,969,908,187.05 × 31,790,086,721.92 - Step 4: Simplify right side
53,321,431,603.99x = 2,542,250,316,410,251,116,544 - Step 5: Solve for x
x = 2,542,250,316,410,251,116,544/53,321,431,603.99 - Step 6: Final answer
x = 47,677,833,095.17
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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.