Finding the Fourth Proportional to 108,165,622.41, 149,275,882.49 and 61,106,374.26
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Solution
The fourth proportional to 108,165,622.41, 149,275,882.49 and 61,106,374.26 is: 84,330,933.80
Step by Step Solution
- Step 1: Write the proportion equation
108,165,622.41 : 149,275,882.49 = 61,106,374.26 : x - Step 2: Convert to fraction form
108,165,622.41/149,275,882.49 = 61,106,374.26/x - Step 3: Cross multiply
108,165,622.41x = 149,275,882.49 × 61,106,374.26 - Step 4: Simplify right side
108,165,622.41x = 9,121,707,943,120,190 - Step 5: Solve for x
x = 9,121,707,943,120,190/108,165,622.41 - Step 6: Final answer
x = 84,330,933.80
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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.