Finding the Fourth Proportional to 177,784,053.29, 268,008,607.90 and 165,932,918.99
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Solution
The fourth proportional to 177,784,053.29, 268,008,607.90 and 165,932,918.99 is: 250,143,079.77
Step by Step Solution
- Step 1: Write the proportion equation
177,784,053.29 : 268,008,607.90 = 165,932,918.99 : x - Step 2: Convert to fraction form
177,784,053.29/268,008,607.90 = 165,932,918.99/x - Step 3: Cross multiply
177,784,053.29x = 268,008,607.90 × 165,932,918.99 - Step 4: Simplify right side
177,784,053.29x = 44,471,450,623,633,712 - Step 5: Solve for x
x = 44,471,450,623,633,712/177,784,053.29 - Step 6: Final answer
x = 250,143,079.77
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.