Finding the Fourth Proportional to 82,935,925.80, 124,403,888.70 and 22,351,651.80
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Solution
The fourth proportional to 82,935,925.80, 124,403,888.70 and 22,351,651.80 is: 33,527,477.70
Step by Step Solution
- Step 1: Write the proportion equation
82,935,925.80 : 124,403,888.70 = 22,351,651.80 : x - Step 2: Convert to fraction form
82,935,925.80/124,403,888.70 = 22,351,651.80/x - Step 3: Cross multiply
82,935,925.80x = 124,403,888.70 × 22,351,651.80 - Step 4: Simplify right side
82,935,925.80x = 2,780,632,402,788,355 - Step 5: Solve for x
x = 2,780,632,402,788,355/82,935,925.80 - Step 6: Final answer
x = 33,527,477.70
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1.5x scale
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.