Finding the Fourth Proportional to 252,129,949.07, 347,939,793.99 and 140,627,976.83
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Solution
The fourth proportional to 252,129,949.07, 347,939,793.99 and 140,627,976.83 is: 194,066,866.99
Step by Step Solution
- Step 1: Write the proportion equation
252,129,949.07 : 347,939,793.99 = 140,627,976.83 : x - Step 2: Convert to fraction form
252,129,949.07/347,939,793.99 = 140,627,976.83/x - Step 3: Cross multiply
252,129,949.07x = 347,939,793.99 × 140,627,976.83 - Step 4: Simplify right side
252,129,949.07x = 48,930,069,288,330,544 - Step 5: Solve for x
x = 48,930,069,288,330,544/252,129,949.07 - Step 6: Final answer
x = 194,066,866.99
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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.