Finding the Fourth Proportional to 54,184,933.31, 74,775,403.73 and 29,405,114.78
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Solution
The fourth proportional to 54,184,933.31, 74,775,403.73 and 29,405,114.78 is: 40,579,164.63
Step by Step Solution
- Step 1: Write the proportion equation
54,184,933.31 : 74,775,403.73 = 29,405,114.78 : x - Step 2: Convert to fraction form
54,184,933.31/74,775,403.73 = 29,405,114.78/x - Step 3: Cross multiply
54,184,933.31x = 74,775,403.73 × 29,405,114.78 - Step 4: Simplify right side
54,184,933.31x = 2,198,779,329,101,125.75 - Step 5: Solve for x
x = 2,198,779,329,101,125.75/54,184,933.31 - Step 6: Final answer
x = 40,579,164.63
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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.