Finding the Fourth Proportional to 143,237,770.68, 214,920,161.94 and 75,064,253.88
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Solution
The fourth proportional to 143,237,770.68, 214,920,161.94 and 75,064,253.88 is: 112,629,661.32
Step by Step Solution
- Step 1: Write the proportion equation
143,237,770.68 : 214,920,161.94 = 75,064,253.88 : x - Step 2: Convert to fraction form
143,237,770.68/214,920,161.94 = 75,064,253.88/x - Step 3: Cross multiply
143,237,770.68x = 214,920,161.94 × 75,064,253.88 - Step 4: Simplify right side
143,237,770.68x = 16,132,821,599,794,872 - Step 5: Solve for x
x = 16,132,821,599,794,872/143,237,770.68 - Step 6: Final answer
x = 112,629,661.32
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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.