Finding the Fourth Proportional to 89,020,716.73, 133,493,239.90 and 36,462,153.68
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Solution
The fourth proportional to 89,020,716.73, 133,493,239.90 and 36,462,153.68 is: 54,677,733.54
Step by Step Solution
- Step 1: Write the proportion equation
89,020,716.73 : 133,493,239.90 = 36,462,153.68 : x - Step 2: Convert to fraction form
89,020,716.73/133,493,239.90 = 36,462,153.68/x - Step 3: Cross multiply
89,020,716.73x = 133,493,239.90 × 36,462,153.68 - Step 4: Simplify right side
89,020,716.73x = 4,867,451,028,968,105 - Step 5: Solve for x
x = 4,867,451,028,968,105/89,020,716.73 - Step 6: Final answer
x = 54,677,733.54
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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.