Finding the Fourth Proportional to 82,701,637.20, 124,052,455.80 and 22,117,363.20
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Solution
The fourth proportional to 82,701,637.20, 124,052,455.80 and 22,117,363.20 is: 33,176,044.80
Step by Step Solution
- Step 1: Write the proportion equation
82,701,637.20 : 124,052,455.80 = 22,117,363.20 : x - Step 2: Convert to fraction form
82,701,637.20/124,052,455.80 = 22,117,363.20/x - Step 3: Cross multiply
82,701,637.20x = 124,052,455.80 × 22,117,363.20 - Step 4: Simplify right side
82,701,637.20x = 2,743,713,220,780,546.50 - Step 5: Solve for x
x = 2,743,713,220,780,546.50/82,701,637.20 - Step 6: Final answer
x = 33,176,044.80
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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.