Finding the Fourth Proportional to 122,579,096.76, 169,161,029.10 and 66,824,554.68
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Solution
The fourth proportional to 122,579,096.76, 169,161,029.10 and 66,824,554.68 is: 92,218,907.93
Step by Step Solution
- Step 1: Write the proportion equation
122,579,096.76 : 169,161,029.10 = 66,824,554.68 : x - Step 2: Convert to fraction form
122,579,096.76/169,161,029.10 = 66,824,554.68/x - Step 3: Cross multiply
122,579,096.76x = 169,161,029.10 × 66,824,554.68 - Step 4: Simplify right side
122,579,096.76x = 11,304,110,438,818,020 - Step 5: Solve for x
x = 11,304,110,438,818,020/122,579,096.76 - Step 6: Final answer
x = 92,218,907.93
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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.