Finding the Fourth Proportional to 82,521,138.24, 113,881,901.10 and 45,352,735.98
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Solution
The fourth proportional to 82,521,138.24, 113,881,901.10 and 45,352,735.98 is: 62,588,276.21
Step by Step Solution
- Step 1: Write the proportion equation
82,521,138.24 : 113,881,901.10 = 45,352,735.98 : x - Step 2: Convert to fraction form
82,521,138.24/113,881,901.10 = 45,352,735.98/x - Step 3: Cross multiply
82,521,138.24x = 113,881,901.10 × 45,352,735.98 - Step 4: Simplify right side
82,521,138.24x = 5,164,855,793,488,771 - Step 5: Solve for x
x = 5,164,855,793,488,771/82,521,138.24 - Step 6: Final answer
x = 62,588,276.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.