Finding the Fourth Proportional to 134,428,855.20, 201,643,282.80 and 66,304,183.20
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Solution
The fourth proportional to 134,428,855.20, 201,643,282.80 and 66,304,183.20 is: 99,456,274.80
Step by Step Solution
- Step 1: Write the proportion equation
134,428,855.20 : 201,643,282.80 = 66,304,183.20 : x - Step 2: Convert to fraction form
134,428,855.20/201,643,282.80 = 66,304,183.20/x - Step 3: Cross multiply
134,428,855.20x = 201,643,282.80 × 66,304,183.20 - Step 4: Simplify right side
134,428,855.20x = 13,369,793,163,820,610 - Step 5: Solve for x
x = 13,369,793,163,820,610/134,428,855.20 - Step 6: Final answer
x = 99,456,274.80
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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.