Finding the Fourth Proportional to 143,674,236.70, 215,511,355.05 and 132,588,771.10
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Solution
The fourth proportional to 143,674,236.70, 215,511,355.05 and 132,588,771.10 is: 198,883,156.65
Step by Step Solution
- Step 1: Write the proportion equation
143,674,236.70 : 215,511,355.05 = 132,588,771.10 : x - Step 2: Convert to fraction form
143,674,236.70/215,511,355.05 = 132,588,771.10/x - Step 3: Cross multiply
143,674,236.70x = 215,511,355.05 × 132,588,771.10 - Step 4: Simplify right side
143,674,236.70x = 28,574,385,724,175,280 - Step 5: Solve for x
x = 28,574,385,724,175,280/143,674,236.70 - Step 6: Final answer
x = 198,883,156.65
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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.