Finding the Fourth Proportional to 193,542,608.20, 289,915,781.10 and 97,858,409.80
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Solution
The fourth proportional to 193,542,608.20, 289,915,781.10 and 97,858,409.80 is: 146,586,312.84
Step by Step Solution
- Step 1: Write the proportion equation
193,542,608.20 : 289,915,781.10 = 97,858,409.80 : x - Step 2: Convert to fraction form
193,542,608.20/289,915,781.10 = 97,858,409.80/x - Step 3: Cross multiply
193,542,608.20x = 289,915,781.10 × 97,858,409.80 - Step 4: Simplify right side
193,542,608.20x = 28,370,697,314,370,896 - Step 5: Solve for x
x = 28,370,697,314,370,896/193,542,608.20 - Step 6: Final answer
x = 146,586,312.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.