Finding the Fourth Proportional to 311,596,868.52, 467,437,825.50 and 129,801,531.24
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Solution
The fourth proportional to 311,596,868.52, 467,437,825.50 and 129,801,531.24 is: 194,720,010.50
Step by Step Solution
- Step 1: Write the proportion equation
311,596,868.52 : 467,437,825.50 = 129,801,531.24 : x - Step 2: Convert to fraction form
311,596,868.52/467,437,825.50 = 129,801,531.24/x - Step 3: Cross multiply
311,596,868.52x = 467,437,825.50 × 129,801,531.24 - Step 4: Simplify right side
311,596,868.52x = 60,674,145,509,395,920 - Step 5: Solve for x
x = 60,674,145,509,395,920/311,596,868.52 - Step 6: Final answer
x = 194,720,010.50
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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.