Finding the Fourth Proportional to 201,654,509.80, 302,481,764.70 and 99,467,501.80
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Solution
The fourth proportional to 201,654,509.80, 302,481,764.70 and 99,467,501.80 is: 149,201,252.70
Step by Step Solution
- Step 1: Write the proportion equation
201,654,509.80 : 302,481,764.70 = 99,467,501.80 : x - Step 2: Convert to fraction form
201,654,509.80/302,481,764.70 = 99,467,501.80/x - Step 3: Cross multiply
201,654,509.80x = 302,481,764.70 × 99,467,501.80 - Step 4: Simplify right side
201,654,509.80x = 30,087,105,474,764,424 - Step 5: Solve for x
x = 30,087,105,474,764,424/201,654,509.80 - Step 6: Final answer
x = 149,201,252.70
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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.