Finding the Fourth Proportional to 96,562,968.46, 133,260,400.68 and 55,317,832.45
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Solution
The fourth proportional to 96,562,968.46, 133,260,400.68 and 55,317,832.45 is: 76,340,616.23
Step by Step Solution
- Step 1: Write the proportion equation
96,562,968.46 : 133,260,400.68 = 55,317,832.45 : x - Step 2: Convert to fraction form
96,562,968.46/133,260,400.68 = 55,317,832.45/x - Step 3: Cross multiply
96,562,968.46x = 133,260,400.68 × 55,317,832.45 - Step 4: Simplify right side
96,562,968.46x = 7,371,676,517,556,542 - Step 5: Solve for x
x = 7,371,676,517,556,542/96,562,968.46 - Step 6: Final answer
x = 76,340,616.23
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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.