Finding the Fourth Proportional to 131,415,481.08, 197,108,161.56 and 34,380,555.84
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Solution
The fourth proportional to 131,415,481.08, 197,108,161.56 and 34,380,555.84 is: 51,566,893.79
Step by Step Solution
- Step 1: Write the proportion equation
131,415,481.08 : 197,108,161.56 = 34,380,555.84 : x - Step 2: Convert to fraction form
131,415,481.08/197,108,161.56 = 34,380,555.84/x - Step 3: Cross multiply
131,415,481.08x = 197,108,161.56 × 34,380,555.84 - Step 4: Simplify right side
131,415,481.08x = 6,776,688,155,033,322 - Step 5: Solve for x
x = 6,776,688,155,033,322/131,415,481.08 - Step 6: Final answer
x = 51,566,893.79
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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.