Finding the Fourth Proportional to 293,954,719.20, 440,932,078.80 and 121,374,175.20
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Solution
The fourth proportional to 293,954,719.20, 440,932,078.80 and 121,374,175.20 is: 182,061,262.80
Step by Step Solution
- Step 1: Write the proportion equation
293,954,719.20 : 440,932,078.80 = 121,374,175.20 : x - Step 2: Convert to fraction form
293,954,719.20/440,932,078.80 = 121,374,175.20/x - Step 3: Cross multiply
293,954,719.20x = 440,932,078.80 × 121,374,175.20 - Step 4: Simplify right side
293,954,719.20x = 53,517,767,383,571,408 - Step 5: Solve for x
x = 53,517,767,383,571,408/293,954,719.20 - Step 6: Final answer
x = 182,061,262.80
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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.