Finding the Fourth Proportional to 143,674,270.70, 215,511,406.05 and 132,588,805.10
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Solution
The fourth proportional to 143,674,270.70, 215,511,406.05 and 132,588,805.10 is: 198,883,207.65
Step by Step Solution
- Step 1: Write the proportion equation
143,674,270.70 : 215,511,406.05 = 132,588,805.10 : x - Step 2: Convert to fraction form
143,674,270.70/215,511,406.05 = 132,588,805.10/x - Step 3: Cross multiply
143,674,270.70x = 215,511,406.05 × 132,588,805.10 - Step 4: Simplify right side
143,674,270.70x = 28,574,399,813,590,412 - Step 5: Solve for x
x = 28,574,399,813,590,412/143,674,270.70 - Step 6: Final answer
x = 198,883,207.65
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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.