Finding the Fourth Proportional to 306,783,204.48, 423,369,989.76 and 167,560,534.08
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Solution
The fourth proportional to 306,783,204.48, 423,369,989.76 and 167,560,534.08 is: 231,238,544.23
Step by Step Solution
- Step 1: Write the proportion equation
306,783,204.48 : 423,369,989.76 = 167,560,534.08 : x - Step 2: Convert to fraction form
306,783,204.48/423,369,989.76 = 167,560,534.08/x - Step 3: Cross multiply
306,783,204.48x = 423,369,989.76 × 167,560,534.08 - Step 4: Simplify right side
306,783,204.48x = 70,940,101,597,629,736 - Step 5: Solve for x
x = 70,940,101,597,629,736/306,783,204.48 - Step 6: Final answer
x = 231,238,544.23
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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.