Finding the Fourth Proportional to 48,701,370.64, 73,168,597.62 and 31,228,161.75
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Solution
The fourth proportional to 48,701,370.64, 73,168,597.62 and 31,228,161.75 is: 46,916,971.15
Step by Step Solution
- Step 1: Write the proportion equation
48,701,370.64 : 73,168,597.62 = 31,228,161.75 : x - Step 2: Convert to fraction form
48,701,370.64/73,168,597.62 = 31,228,161.75/x - Step 3: Cross multiply
48,701,370.64x = 73,168,597.62 × 31,228,161.75 - Step 4: Simplify right side
48,701,370.64x = 2,284,920,801,498,025 - Step 5: Solve for x
x = 2,284,920,801,498,025/48,701,370.64 - Step 6: Final answer
x = 46,916,971.15
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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.