Finding the Fourth Proportional to 133,059,588.70, 199,589,383.05 and 75,529,630.30
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Solution
The fourth proportional to 133,059,588.70, 199,589,383.05 and 75,529,630.30 is: 113,294,445.45
Step by Step Solution
- Step 1: Write the proportion equation
133,059,588.70 : 199,589,383.05 = 75,529,630.30 : x - Step 2: Convert to fraction form
133,059,588.70/199,589,383.05 = 75,529,630.30/x - Step 3: Cross multiply
133,059,588.70x = 199,589,383.05 × 75,529,630.30 - Step 4: Simplify right side
133,059,588.70x = 15,074,912,313,571,586 - Step 5: Solve for x
x = 15,074,912,313,571,586/133,059,588.70 - Step 6: Final answer
x = 113,294,445.45
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1.5x scale
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.