Finding the Fourth Proportional to 306,908,686.53, 460,052,760.11 and 132,145,691.49
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Solution
The fourth proportional to 306,908,686.53, 460,052,760.11 and 132,145,691.49 is: 198,084,944.40
Step by Step Solution
- Step 1: Write the proportion equation
306,908,686.53 : 460,052,760.11 = 132,145,691.49 : x - Step 2: Convert to fraction form
306,908,686.53/460,052,760.11 = 132,145,691.49/x - Step 3: Cross multiply
306,908,686.53x = 460,052,760.11 × 132,145,691.49 - Step 4: Simplify right side
306,908,686.53x = 60,793,990,105,958,312 - Step 5: Solve for x
x = 60,793,990,105,958,312/306,908,686.53 - Step 6: Final answer
x = 198,084,944.40
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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.