Finding the Fourth Proportional to 195,977,768.70, 270,447,174.62 and 107,869,882.62
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Solution
The fourth proportional to 195,977,768.70, 270,447,174.62 and 107,869,882.62 is: 148,859,256.71
Step by Step Solution
- Step 1: Write the proportion equation
195,977,768.70 : 270,447,174.62 = 107,869,882.62 : x - Step 2: Convert to fraction form
195,977,768.70/270,447,174.62 = 107,869,882.62/x - Step 3: Cross multiply
195,977,768.70x = 270,447,174.62 × 107,869,882.62 - Step 4: Simplify right side
195,977,768.70x = 29,173,104,981,170,044 - Step 5: Solve for x
x = 29,173,104,981,170,044/195,977,768.70 - Step 6: Final answer
x = 148,859,256.71
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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.