Finding the Fourth Proportional to 201,471,864.80, 302,207,797.20 and 185,347,551.20
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Solution
The fourth proportional to 201,471,864.80, 302,207,797.20 and 185,347,551.20 is: 278,021,326.80
Step by Step Solution
- Step 1: Write the proportion equation
201,471,864.80 : 302,207,797.20 = 185,347,551.20 : x - Step 2: Convert to fraction form
201,471,864.80/302,207,797.20 = 185,347,551.20/x - Step 3: Cross multiply
201,471,864.80x = 302,207,797.20 × 185,347,551.20 - Step 4: Simplify right side
201,471,864.80x = 56,013,475,164,566,208 - Step 5: Solve for x
x = 56,013,475,164,566,208/201,471,864.80 - Step 6: Final answer
x = 278,021,326.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.