Finding the Fourth Proportional to 54,307,512.48, 74,943,840.36 and 29,527,699.08
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Solution
The fourth proportional to 54,307,512.48, 74,943,840.36 and 29,527,699.08 is: 40,747,938.27
Step by Step Solution
- Step 1: Write the proportion equation
54,307,512.48 : 74,943,840.36 = 29,527,699.08 : x - Step 2: Convert to fraction form
54,307,512.48/74,943,840.36 = 29,527,699.08/x - Step 3: Cross multiply
54,307,512.48x = 74,943,840.36 × 29,527,699.08 - Step 4: Simplify right side
54,307,512.48x = 2,212,919,166,049,638.75 - Step 5: Solve for x
x = 2,212,919,166,049,638.75/54,307,512.48 - Step 6: Final answer
x = 40,747,938.27
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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.