Finding the Fourth Proportional to 201,774,613.40, 302,661,920.10 and 132,899,859.80
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Solution
The fourth proportional to 201,774,613.40, 302,661,920.10 and 132,899,859.80 is: 199,349,789.70
Step by Step Solution
- Step 1: Write the proportion equation
201,774,613.40 : 302,661,920.10 = 132,899,859.80 : x - Step 2: Convert to fraction form
201,774,613.40/302,661,920.10 = 132,899,859.80/x - Step 3: Cross multiply
201,774,613.40x = 302,661,920.10 × 132,899,859.80 - Step 4: Simplify right side
201,774,613.40x = 40,223,726,748,088,808 - Step 5: Solve for x
x = 40,223,726,748,088,808/201,774,613.40 - Step 6: Final answer
x = 199,349,789.70
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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.