Finding the Fourth Proportional to 74,884,846.40, 112,327,269.60 and 48,906,785.60
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Solution
The fourth proportional to 74,884,846.40, 112,327,269.60 and 48,906,785.60 is: 73,360,178.40
Step by Step Solution
- Step 1: Write the proportion equation
74,884,846.40 : 112,327,269.60 = 48,906,785.60 : x - Step 2: Convert to fraction form
74,884,846.40/112,327,269.60 = 48,906,785.60/x - Step 3: Cross multiply
74,884,846.40x = 112,327,269.60 × 48,906,785.60 - Step 4: Simplify right side
74,884,846.40x = 5,493,565,691,360,598 - Step 5: Solve for x
x = 5,493,565,691,360,598/74,884,846.40 - Step 6: Final answer
x = 73,360,178.40
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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.