Finding the Fourth Proportional to 55,531,679.44, 76,579,880.52 and 43,304,074.96
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Solution
The fourth proportional to 55,531,679.44, 76,579,880.52 and 43,304,074.96 is: 59,717,640.81
Step by Step Solution
- Step 1: Write the proportion equation
55,531,679.44 : 76,579,880.52 = 43,304,074.96 : x - Step 2: Convert to fraction form
55,531,679.44/76,579,880.52 = 43,304,074.96/x - Step 3: Cross multiply
55,531,679.44x = 76,579,880.52 × 43,304,074.96 - Step 4: Simplify right side
55,531,679.44x = 3,316,220,886,465,923.50 - Step 5: Solve for x
x = 3,316,220,886,465,923.50/55,531,679.44 - Step 6: Final answer
x = 59,717,640.81
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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.