Finding the Fourth Proportional to 245,527,856.54, 338,777,861.94 and 141,085,749.68
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Solution
The fourth proportional to 245,527,856.54, 338,777,861.94 and 141,085,749.68 is: 194,669,270.12
Step by Step Solution
- Step 1: Write the proportion equation
245,527,856.54 : 338,777,861.94 = 141,085,749.68 : x - Step 2: Convert to fraction form
245,527,856.54/338,777,861.94 = 141,085,749.68/x - Step 3: Cross multiply
245,527,856.54x = 338,777,861.94 × 141,085,749.68 - Step 4: Simplify right side
245,527,856.54x = 47,796,728,625,098,552 - Step 5: Solve for x
x = 47,796,728,625,098,552/245,527,856.54 - Step 6: Final answer
x = 194,669,270.12
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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.