Finding the Fourth Proportional to 55,385,609.44, 83,081,956.94 and 21,306,955.31
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Solution
The fourth proportional to 55,385,609.44, 83,081,956.94 and 21,306,955.31 is: 31,961,795.88
Step by Step Solution
- Step 1: Write the proportion equation
55,385,609.44 : 83,081,956.94 = 21,306,955.31 : x - Step 2: Convert to fraction form
55,385,609.44/83,081,956.94 = 21,306,955.31/x - Step 3: Cross multiply
55,385,609.44x = 83,081,956.94 × 21,306,955.31 - Step 4: Simplify right side
55,385,609.44x = 1,770,223,543,587,924.25 - Step 5: Solve for x
x = 1,770,223,543,587,924.25/55,385,609.44 - Step 6: Final answer
x = 31,961,795.88
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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.