Finding the Fourth Proportional to 195,686,874.71, 270,048,060.84 and 107,582,371.38
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Solution
The fourth proportional to 195,686,874.71, 270,048,060.84 and 107,582,371.38 is: 148,463,768.02
Step by Step Solution
- Step 1: Write the proportion equation
195,686,874.71 : 270,048,060.84 = 107,582,371.38 : x - Step 2: Convert to fraction form
195,686,874.71/270,048,060.84 = 107,582,371.38/x - Step 3: Cross multiply
195,686,874.71x = 270,048,060.84 × 107,582,371.38 - Step 4: Simplify right side
195,686,874.71x = 29,052,410,771,737,712 - Step 5: Solve for x
x = 29,052,410,771,737,712/195,686,874.71 - Step 6: Final answer
x = 148,463,768.02
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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.