Finding the Fourth Proportional to 356,709,145.83, 534,935,351.97 and 123,476,487.09
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Solution
The fourth proportional to 356,709,145.83, 534,935,351.97 and 123,476,487.09 is: 185,170,295.89
Step by Step Solution
- Step 1: Write the proportion equation
356,709,145.83 : 534,935,351.97 = 123,476,487.09 : x - Step 2: Convert to fraction form
356,709,145.83/534,935,351.97 = 123,476,487.09/x - Step 3: Cross multiply
356,709,145.83x = 534,935,351.97 × 123,476,487.09 - Step 4: Simplify right side
356,709,145.83x = 66,051,938,081,508,320 - Step 5: Solve for x
x = 66,051,938,081,508,320/356,709,145.83 - Step 6: Final answer
x = 185,170,295.89
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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.