Finding the Fourth Proportional to 252,777,408.56, 348,843,596.90 and 141,268,246.08
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Solution
The fourth proportional to 252,777,408.56, 348,843,596.90 and 141,268,246.08 is: 194,956,200.28
Step by Step Solution
- Step 1: Write the proportion equation
252,777,408.56 : 348,843,596.90 = 141,268,246.08 : x - Step 2: Convert to fraction form
252,777,408.56/348,843,596.90 = 141,268,246.08/x - Step 3: Cross multiply
252,777,408.56x = 348,843,596.90 × 141,268,246.08 - Step 4: Simplify right side
252,777,408.56x = 49,280,523,089,595,184 - Step 5: Solve for x
x = 49,280,523,089,595,184/252,777,408.56 - Step 6: Final answer
x = 194,956,200.28
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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.