Finding the Fourth Proportional to 134,428,863.70, 201,643,295.55 and 66,304,191.70
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Solution
The fourth proportional to 134,428,863.70, 201,643,295.55 and 66,304,191.70 is: 99,456,287.55
Step by Step Solution
- Step 1: Write the proportion equation
134,428,863.70 : 201,643,295.55 = 66,304,191.70 : x - Step 2: Convert to fraction form
134,428,863.70/201,643,295.55 = 66,304,191.70/x - Step 3: Cross multiply
134,428,863.70x = 201,643,295.55 × 66,304,191.70 - Step 4: Simplify right side
134,428,863.70x = 13,369,795,723,166,958 - Step 5: Solve for x
x = 13,369,795,723,166,958/134,428,863.70 - Step 6: Final answer
x = 99,456,287.55
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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.