Finding the Fourth Proportional to 318,947,110.49, 440,147,309.10 and 172,269,394.49
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Solution
The fourth proportional to 318,947,110.49, 440,147,309.10 and 172,269,394.49 is: 237,731,924.61
Step by Step Solution
- Step 1: Write the proportion equation
318,947,110.49 : 440,147,309.10 = 172,269,394.49 : x - Step 2: Convert to fraction form
318,947,110.49/440,147,309.10 = 172,269,394.49/x - Step 3: Cross multiply
318,947,110.49x = 440,147,309.10 × 172,269,394.49 - Step 4: Simplify right side
318,947,110.49x = 75,823,910,425,059,872 - Step 5: Solve for x
x = 75,823,910,425,059,872/318,947,110.49 - Step 6: Final answer
x = 237,731,924.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.