Finding the Fourth Proportional to 193,542,448.20, 289,915,541.10 and 97,858,249.80
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Solution
The fourth proportional to 193,542,448.20, 289,915,541.10 and 97,858,249.80 is: 146,586,073.01
Step by Step Solution
- Step 1: Write the proportion equation
193,542,448.20 : 289,915,541.10 = 97,858,249.80 : x - Step 2: Convert to fraction form
193,542,448.20/289,915,541.10 = 97,858,249.80/x - Step 3: Cross multiply
193,542,448.20x = 289,915,541.10 × 97,858,249.80 - Step 4: Simplify right side
193,542,448.20x = 28,370,627,441,865,968 - Step 5: Solve for x
x = 28,370,627,441,865,968/193,542,448.20 - Step 6: Final answer
x = 146,586,073.01
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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.