Finding the Fourth Proportional to 306,942,129.41, 460,412,554.41 and 122,752,650.42
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Solution
The fourth proportional to 306,942,129.41, 460,412,554.41 and 122,752,650.42 is: 184,128,719.80
Step by Step Solution
- Step 1: Write the proportion equation
306,942,129.41 : 460,412,554.41 = 122,752,650.42 : x - Step 2: Convert to fraction form
306,942,129.41/460,412,554.41 = 122,752,650.42/x - Step 3: Cross multiply
306,942,129.41x = 460,412,554.41 × 122,752,650.42 - Step 4: Simplify right side
306,942,129.41x = 56,516,861,340,469,960 - Step 5: Solve for x
x = 56,516,861,340,469,960/306,942,129.41 - Step 6: Final answer
x = 184,128,719.80
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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.