Finding the Fourth Proportional to 215,481,933,915.84, 323,223,211,955.96 and 87,996,625,687.08
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Solution
The fourth proportional to 215,481,933,915.84, 323,223,211,955.96 and 87,996,625,687.08 is: 131,995,065,567.65
Step by Step Solution
- Step 1: Write the proportion equation
215,481,933,915.84 : 323,223,211,955.96 = 87,996,625,687.08 : x - Step 2: Convert to fraction form
215,481,933,915.84/323,223,211,955.96 = 87,996,625,687.08/x - Step 3: Cross multiply
215,481,933,915.84x = 323,223,211,955.96 × 87,996,625,687.08 - Step 4: Simplify right side
215,481,933,915.84x = 28,442,551,995,864,333,680,640 - Step 5: Solve for x
x = 28,442,551,995,864,333,680,640/215,481,933,915.84 - Step 6: Final answer
x = 131,995,065,567.65
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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.