Finding the Fourth Proportional to 142,165,958.48, 213,327,625.98 and 69,383,342.06
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Solution
The fourth proportional to 142,165,958.48, 213,327,625.98 and 69,383,342.06 is: 104,113,416.48
Step by Step Solution
- Step 1: Write the proportion equation
142,165,958.48 : 213,327,625.98 = 69,383,342.06 : x - Step 2: Convert to fraction form
142,165,958.48/213,327,625.98 = 69,383,342.06/x - Step 3: Cross multiply
142,165,958.48x = 213,327,625.98 × 69,383,342.06 - Step 4: Simplify right side
142,165,958.48x = 14,801,383,644,218,082 - Step 5: Solve for x
x = 14,801,383,644,218,082/142,165,958.48 - Step 6: Final answer
x = 104,113,416.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.