Finding the Fourth Proportional to 134,136,001.20, 201,204,001.80 and 127,758,709.20
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Solution
The fourth proportional to 134,136,001.20, 201,204,001.80 and 127,758,709.20 is: 191,638,063.80
Step by Step Solution
- Step 1: Write the proportion equation
134,136,001.20 : 201,204,001.80 = 127,758,709.20 : x - Step 2: Convert to fraction form
134,136,001.20/201,204,001.80 = 127,758,709.20/x - Step 3: Cross multiply
134,136,001.20x = 201,204,001.80 × 127,758,709.20 - Step 4: Simplify right side
134,136,001.20x = 25,705,563,555,842,480 - Step 5: Solve for x
x = 25,705,563,555,842,480/134,136,001.20 - Step 6: Final answer
x = 191,638,063.80
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1.5x scale
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.