Finding the Fourth Proportional to 201,471,801.30, 302,207,701.95 and 185,347,487.70
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Solution
The fourth proportional to 201,471,801.30, 302,207,701.95 and 185,347,487.70 is: 278,021,231.55
Step by Step Solution
- Step 1: Write the proportion equation
201,471,801.30 : 302,207,701.95 = 185,347,487.70 : x - Step 2: Convert to fraction form
201,471,801.30/302,207,701.95 = 185,347,487.70/x - Step 3: Cross multiply
201,471,801.30x = 302,207,701.95 × 185,347,487.70 - Step 4: Simplify right side
201,471,801.30x = 56,013,438,320,022,888 - Step 5: Solve for x
x = 56,013,438,320,022,888/201,471,801.30 - Step 6: Final answer
x = 278,021,231.55
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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.