Finding the Fourth Proportional to 54,058,992.36, 74,601,422.82 and 29,613,575.40
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Solution
The fourth proportional to 54,058,992.36, 74,601,422.82 and 29,613,575.40 is: 40,866,741.37
Step by Step Solution
- Step 1: Write the proportion equation
54,058,992.36 : 74,601,422.82 = 29,613,575.40 : x - Step 2: Convert to fraction form
54,058,992.36/74,601,422.82 = 29,613,575.40/x - Step 3: Cross multiply
54,058,992.36x = 74,601,422.82 × 29,613,575.40 - Step 4: Simplify right side
54,058,992.36x = 2,209,214,859,627,350.25 - Step 5: Solve for x
x = 2,209,214,859,627,350.25/54,058,992.36 - Step 6: Final answer
x = 40,866,741.37
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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.