Finding the Fourth Proportional to 63,881,836.22, 95,822,743.39 and 20,193,263.49
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Solution
The fourth proportional to 63,881,836.22, 95,822,743.39 and 20,193,263.49 is: 30,289,891.78
Step by Step Solution
- Step 1: Write the proportion equation
63,881,836.22 : 95,822,743.39 = 20,193,263.49 : x - Step 2: Convert to fraction form
63,881,836.22/95,822,743.39 = 20,193,263.49/x - Step 3: Cross multiply
63,881,836.22x = 95,822,743.39 × 20,193,263.49 - Step 4: Simplify right side
63,881,836.22x = 1,934,973,905,608,925.75 - Step 5: Solve for x
x = 1,934,973,905,608,925.75/63,881,836.22 - Step 6: Final answer
x = 30,289,891.78
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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.