Finding the Fourth Proportional to 201,786,465,742.38, 302,679,989,924.35 and 82,403,790,272.70
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Solution
The fourth proportional to 201,786,465,742.38, 302,679,989,924.35 and 82,403,790,272.70 is: 123,605,804,372.00
Step by Step Solution
- Step 1: Write the proportion equation
201,786,465,742.38 : 302,679,989,924.35 = 82,403,790,272.70 : x - Step 2: Convert to fraction form
201,786,465,742.38/302,679,989,924.35 = 82,403,790,272.70/x - Step 3: Cross multiply
201,786,465,742.38x = 302,679,989,924.35 × 82,403,790,272.70 - Step 4: Simplify right side
201,786,465,742.38x = 24,941,978,409,469,084,696,576 - Step 5: Solve for x
x = 24,941,978,409,469,084,696,576/201,786,465,742.38 - Step 6: Final answer
x = 123,605,804,372.00
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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.