Finding the Fourth Proportional to 104,246,397.16, 143,859,633.19 and 57,204,257.70
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Solution
The fourth proportional to 104,246,397.16, 143,859,633.19 and 57,204,257.70 is: 78,941,658.94
Step by Step Solution
- Step 1: Write the proportion equation
104,246,397.16 : 143,859,633.19 = 57,204,257.70 : x - Step 2: Convert to fraction form
104,246,397.16/143,859,633.19 = 57,204,257.70/x - Step 3: Cross multiply
104,246,397.16x = 143,859,633.19 × 57,204,257.70 - Step 4: Simplify right side
104,246,397.16x = 8,229,383,530,024,696 - Step 5: Solve for x
x = 8,229,383,530,024,696/104,246,397.16 - Step 6: Final answer
x = 78,941,658.94
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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.