Finding the Fourth Proportional to 82,935,967.80, 124,403,951.70 and 22,351,693.80
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Solution
The fourth proportional to 82,935,967.80, 124,403,951.70 and 22,351,693.80 is: 33,527,540.70
Step by Step Solution
- Step 1: Write the proportion equation
82,935,967.80 : 124,403,951.70 = 22,351,693.80 : x - Step 2: Convert to fraction form
82,935,967.80/124,403,951.70 = 22,351,693.80/x - Step 3: Cross multiply
82,935,967.80x = 124,403,951.70 × 22,351,693.80 - Step 4: Simplify right side
82,935,967.80x = 2,780,639,035,908,389.50 - Step 5: Solve for x
x = 2,780,639,035,908,389.50/82,935,967.80 - Step 6: Final answer
x = 33,527,540.70
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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.