Finding the Fourth Proportional to 82,887,671.70, 124,304,603.67 and 27,540,642.78
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Solution
The fourth proportional to 82,887,671.70, 124,304,603.67 and 27,540,642.78 is: 41,302,024.96
Step by Step Solution
- Step 1: Write the proportion equation
82,887,671.70 : 124,304,603.67 = 27,540,642.78 : x - Step 2: Convert to fraction form
82,887,671.70/124,304,603.67 = 27,540,642.78/x - Step 3: Cross multiply
82,887,671.70x = 124,304,603.67 × 27,540,642.78 - Step 4: Simplify right side
82,887,671.70x = 3,423,428,685,584,947 - Step 5: Solve for x
x = 3,423,428,685,584,947/82,887,671.70 - Step 6: Final answer
x = 41,302,024.96
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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.