Finding the Fourth Proportional to 220,963,545.63, 331,458,604.11 and 67,610,930.67
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Solution
The fourth proportional to 220,963,545.63, 331,458,604.11 and 67,610,930.67 is: 101,420,461.18
Step by Step Solution
- Step 1: Write the proportion equation
220,963,545.63 : 331,458,604.11 = 67,610,930.67 : x - Step 2: Convert to fraction form
220,963,545.63/331,458,604.11 = 67,610,930.67/x - Step 3: Cross multiply
220,963,545.63x = 331,458,604.11 × 67,610,930.67 - Step 4: Simplify right side
220,963,545.63x = 22,410,224,702,456,188 - Step 5: Solve for x
x = 22,410,224,702,456,188/220,963,545.63 - Step 6: Final answer
x = 101,420,461.18
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1.5x scale
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.