Finding the Fourth Proportional to 195,686,874.21, 270,048,060.15 and 107,582,370.88
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Solution
The fourth proportional to 195,686,874.21, 270,048,060.15 and 107,582,370.88 is: 148,463,767.33
Step by Step Solution
- Step 1: Write the proportion equation
195,686,874.21 : 270,048,060.15 = 107,582,370.88 : x - Step 2: Convert to fraction form
195,686,874.21/270,048,060.15 = 107,582,370.88/x - Step 3: Cross multiply
195,686,874.21x = 270,048,060.15 × 107,582,370.88 - Step 4: Simplify right side
195,686,874.21x = 29,052,410,562,481,844 - Step 5: Solve for x
x = 29,052,410,562,481,844/195,686,874.21 - Step 6: Final answer
x = 148,463,767.33
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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.