Finding the Fourth Proportional to 201,471,772.20, 302,058,359.10 and 136,613,711.40
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Solution
The fourth proportional to 201,471,772.20, 302,058,359.10 and 136,613,711.40 is: 204,819,330.50
Step by Step Solution
- Step 1: Write the proportion equation
201,471,772.20 : 302,058,359.10 = 136,613,711.40 : x - Step 2: Convert to fraction form
201,471,772.20/302,058,359.10 = 136,613,711.40/x - Step 3: Cross multiply
201,471,772.20x = 302,058,359.10 × 136,613,711.40 - Step 4: Simplify right side
201,471,772.20x = 41,265,313,496,044,968 - Step 5: Solve for x
x = 41,265,313,496,044,968/201,471,772.20 - Step 6: Final answer
x = 204,819,330.50
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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.