Finding the Fourth Proportional to 54,184,932.62, 74,775,402.78 and 29,405,114.09
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Solution
The fourth proportional to 54,184,932.62, 74,775,402.78 and 29,405,114.09 is: 40,579,163.68
Step by Step Solution
- Step 1: Write the proportion equation
54,184,932.62 : 74,775,402.78 = 29,405,114.09 : x - Step 2: Convert to fraction form
54,184,932.62/74,775,402.78 = 29,405,114.09/x - Step 3: Cross multiply
54,184,932.62x = 74,775,402.78 × 29,405,114.09 - Step 4: Simplify right side
54,184,932.62x = 2,198,779,249,871,603.25 - Step 5: Solve for x
x = 2,198,779,249,871,603.25/54,184,932.62 - Step 6: Final answer
x = 40,579,163.68
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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.