Finding the Fourth Proportional to 134,136,018.80, 201,204,028.20 and 129,034,185.20
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Solution
The fourth proportional to 134,136,018.80, 201,204,028.20 and 129,034,185.20 is: 193,551,277.80
Step by Step Solution
- Step 1: Write the proportion equation
134,136,018.80 : 201,204,028.20 = 129,034,185.20 : x - Step 2: Convert to fraction form
134,136,018.80/201,204,028.20 = 129,034,185.20/x - Step 3: Cross multiply
134,136,018.80x = 201,204,028.20 × 129,034,185.20 - Step 4: Simplify right side
134,136,018.80x = 25,962,197,837,744,820 - Step 5: Solve for x
x = 25,962,197,837,744,820/134,136,018.80 - Step 6: Final answer
x = 193,551,277.80
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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.