Finding the Fourth Proportional to 136,537,666.83, 204,763,809.99 and 45,639,998.19
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Solution
The fourth proportional to 136,537,666.83, 204,763,809.99 and 45,639,998.19 is: 68,445,727.35
Step by Step Solution
- Step 1: Write the proportion equation
136,537,666.83 : 204,763,809.99 = 45,639,998.19 : x - Step 2: Convert to fraction form
136,537,666.83/204,763,809.99 = 45,639,998.19/x - Step 3: Cross multiply
136,537,666.83x = 204,763,809.99 × 45,639,998.19 - Step 4: Simplify right side
136,537,666.83x = 9,345,419,917,321,104 - Step 5: Solve for x
x = 9,345,419,917,321,104/136,537,666.83 - Step 6: Final answer
x = 68,445,727.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.