Finding the Fourth Proportional to 146,373,945.48, 201,994,161.57 and 83,649,323.79
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Solution
The fourth proportional to 146,373,945.48, 201,994,161.57 and 83,649,323.79 is: 115,434,990.63
Step by Step Solution
- Step 1: Write the proportion equation
146,373,945.48 : 201,994,161.57 = 83,649,323.79 : x - Step 2: Convert to fraction form
146,373,945.48/201,994,161.57 = 83,649,323.79/x - Step 3: Cross multiply
146,373,945.48x = 201,994,161.57 × 83,649,323.79 - Step 4: Simplify right side
146,373,945.48x = 16,896,675,024,858,506 - Step 5: Solve for x
x = 16,896,675,024,858,506/146,373,945.48 - Step 6: Final answer
x = 115,434,990.63
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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.