Finding the Fourth Proportional to 201,471,134.30, 302,206,701.45 and 185,346,820.70
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Solution
The fourth proportional to 201,471,134.30, 302,206,701.45 and 185,346,820.70 is: 278,020,231.05
Step by Step Solution
- Step 1: Write the proportion equation
201,471,134.30 : 302,206,701.45 = 185,346,820.70 : x - Step 2: Convert to fraction form
201,471,134.30/302,206,701.45 = 185,346,820.70/x - Step 3: Cross multiply
201,471,134.30x = 302,206,701.45 × 185,346,820.70 - Step 4: Simplify right side
201,471,134.30x = 56,013,051,307,991,576 - Step 5: Solve for x
x = 56,013,051,307,991,576/201,471,134.30 - Step 6: Final answer
x = 278,020,231.05
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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.