Finding the Fourth Proportional to 54,241,642.09, 74,810,155.12 and 35,675,841.88
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Solution
The fourth proportional to 54,241,642.09, 74,810,155.12 and 35,675,841.88 is: 49,204,175.28
Step by Step Solution
- Step 1: Write the proportion equation
54,241,642.09 : 74,810,155.12 = 35,675,841.88 : x - Step 2: Convert to fraction form
54,241,642.09/74,810,155.12 = 35,675,841.88/x - Step 3: Cross multiply
54,241,642.09x = 74,810,155.12 × 35,675,841.88 - Step 4: Simplify right side
54,241,642.09x = 2,668,915,265,079,393 - Step 5: Solve for x
x = 2,668,915,265,079,393/54,241,642.09 - Step 6: Final answer
x = 49,204,175.28
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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.