Finding the Fourth Proportional to 272,680,217.82, 376,307,986.41 and 161,266,564.62
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Solution
The fourth proportional to 272,680,217.82, 376,307,986.41 and 161,266,564.62 is: 222,553,350.93
Step by Step Solution
- Step 1: Write the proportion equation
272,680,217.82 : 376,307,986.41 = 161,266,564.62 : x - Step 2: Convert to fraction form
272,680,217.82/376,307,986.41 = 161,266,564.62/x - Step 3: Cross multiply
272,680,217.82x = 376,307,986.41 × 161,266,564.62 - Step 4: Simplify right side
272,680,217.82x = 60,685,896,207,410,352 - Step 5: Solve for x
x = 60,685,896,207,410,352/272,680,217.82 - Step 6: Final answer
x = 222,553,350.93
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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.