Finding the Fourth Proportional to 48,210,786.96, 66,492,407.41 and 31,707,858.07
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Solution
The fourth proportional to 48,210,786.96, 66,492,407.41 and 31,707,858.07 is: 43,731,537.07
Step by Step Solution
- Step 1: Write the proportion equation
48,210,786.96 : 66,492,407.41 = 31,707,858.07 : x - Step 2: Convert to fraction form
48,210,786.96/66,492,407.41 = 31,707,858.07/x - Step 3: Cross multiply
48,210,786.96x = 66,492,407.41 × 31,707,858.07 - Step 4: Simplify right side
48,210,786.96x = 2,108,331,816,888,896.25 - Step 5: Solve for x
x = 2,108,331,816,888,896.25/48,210,786.96 - Step 6: Final answer
x = 43,731,537.07
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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.