Finding the Fourth Proportional to 53,081,503.11, 73,214,741.18 and 35,431,506.80
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Solution
The fourth proportional to 53,081,503.11, 73,214,741.18 and 35,431,506.80 is: 48,870,292.80
Step by Step Solution
- Step 1: Write the proportion equation
53,081,503.11 : 73,214,741.18 = 35,431,506.80 : x - Step 2: Convert to fraction form
53,081,503.11/73,214,741.18 = 35,431,506.80/x - Step 3: Cross multiply
53,081,503.11x = 73,214,741.18 × 35,431,506.80 - Step 4: Simplify right side
53,081,503.11x = 2,594,108,599,436,179 - Step 5: Solve for x
x = 2,594,108,599,436,179/53,081,503.11 - Step 6: Final answer
x = 48,870,292.80
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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.