Finding the Fourth Proportional to 122,654,257.92, 169,256,896.38 and 73,093,497.48
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Solution
The fourth proportional to 122,654,257.92, 169,256,896.38 and 73,093,497.48 is: 100,865,463.12
Step by Step Solution
- Step 1: Write the proportion equation
122,654,257.92 : 169,256,896.38 = 73,093,497.48 : x - Step 2: Convert to fraction form
122,654,257.92/169,256,896.38 = 73,093,497.48/x - Step 3: Cross multiply
122,654,257.92x = 169,256,896.38 × 73,093,497.48 - Step 4: Simplify right side
122,654,257.92x = 12,371,578,529,024,152 - Step 5: Solve for x
x = 12,371,578,529,024,152/122,654,257.92 - Step 6: Final answer
x = 100,865,463.12
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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.