Finding the Fourth Proportional to 272,584,558.40, 408,876,837.60 and 165,089,134.40
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Solution
The fourth proportional to 272,584,558.40, 408,876,837.60 and 165,089,134.40 is: 247,633,701.60
Step by Step Solution
- Step 1: Write the proportion equation
272,584,558.40 : 408,876,837.60 = 165,089,134.40 : x - Step 2: Convert to fraction form
272,584,558.40/408,876,837.60 = 165,089,134.40/x - Step 3: Cross multiply
272,584,558.40x = 408,876,837.60 × 165,089,134.40 - Step 4: Simplify right side
272,584,558.40x = 67,501,123,195,593,376 - Step 5: Solve for x
x = 67,501,123,195,593,376/272,584,558.40 - Step 6: Final answer
x = 247,633,701.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.