Finding the Fourth Proportional to 274,025,101.05, 411,037,651.58 and 215,912,027.70
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Solution
The fourth proportional to 274,025,101.05, 411,037,651.58 and 215,912,027.70 is: 323,868,041.55
Step by Step Solution
- Step 1: Write the proportion equation
274,025,101.05 : 411,037,651.58 = 215,912,027.70 : x - Step 2: Convert to fraction form
274,025,101.05/411,037,651.58 = 215,912,027.70/x - Step 3: Cross multiply
274,025,101.05x = 411,037,651.58 × 215,912,027.70 - Step 4: Simplify right side
274,025,101.05x = 88,747,972,812,604,336 - Step 5: Solve for x
x = 88,747,972,812,604,336/274,025,101.05 - Step 6: Final answer
x = 323,868,041.55
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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.