Finding the Fourth Proportional to 193,542,454.70, 289,915,550.85 and 97,858,256.30
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Solution
The fourth proportional to 193,542,454.70, 289,915,550.85 and 97,858,256.30 is: 146,586,082.75
Step by Step Solution
- Step 1: Write the proportion equation
193,542,454.70 : 289,915,550.85 = 97,858,256.30 : x - Step 2: Convert to fraction form
193,542,454.70/289,915,550.85 = 97,858,256.30/x - Step 3: Cross multiply
193,542,454.70x = 289,915,550.85 × 97,858,256.30 - Step 4: Simplify right side
193,542,454.70x = 28,370,630,280,434,984 - Step 5: Solve for x
x = 28,370,630,280,434,984/193,542,454.70 - Step 6: Final answer
x = 146,586,082.75
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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.