Finding the Fourth Proportional to 273,023,125.70, 409,534,688.55 and 100,623,665.30
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Solution
The fourth proportional to 273,023,125.70, 409,534,688.55 and 100,623,665.30 is: 150,935,497.95
Step by Step Solution
- Step 1: Write the proportion equation
273,023,125.70 : 409,534,688.55 = 100,623,665.30 : x - Step 2: Convert to fraction form
273,023,125.70/409,534,688.55 = 100,623,665.30/x - Step 3: Cross multiply
273,023,125.70x = 409,534,688.55 × 100,623,665.30 - Step 4: Simplify right side
273,023,125.70x = 41,208,881,429,394,944 - Step 5: Solve for x
x = 41,208,881,429,394,944/273,023,125.70 - Step 6: Final answer
x = 150,935,497.95
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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.