Finding the Fourth Proportional to 83,991,821,402.70, 125,987,732,104.05 and 83,991,821,402.70
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Solution
The fourth proportional to 83,991,821,402.70, 125,987,732,104.05 and 83,991,821,402.70 is: 125,987,732,104.05
Step by Step Solution
- Step 1: Write the proportion equation
83,991,821,402.70 : 125,987,732,104.05 = 83,991,821,402.70 : x - Step 2: Convert to fraction form
83,991,821,402.70/125,987,732,104.05 = 83,991,821,402.70/x - Step 3: Cross multiply
83,991,821,402.70x = 125,987,732,104.05 × 83,991,821,402.70 - Step 4: Simplify right side
83,991,821,402.70x = 10,581,939,093,814,579,822,592 - Step 5: Solve for x
x = 10,581,939,093,814,579,822,592/83,991,821,402.70 - Step 6: Final answer
x = 125,987,732,104.05
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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.