Finding the Fourth Proportional to 252,272,134.20, 378,408,201.30 and 88,694,594.40
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Solution
The fourth proportional to 252,272,134.20, 378,408,201.30 and 88,694,594.40 is: 133,041,891.60
Step by Step Solution
- Step 1: Write the proportion equation
252,272,134.20 : 378,408,201.30 = 88,694,594.40 : x - Step 2: Convert to fraction form
252,272,134.20/378,408,201.30 = 88,694,594.40/x - Step 3: Cross multiply
252,272,134.20x = 378,408,201.30 × 88,694,594.40 - Step 4: Simplify right side
252,272,134.20x = 33,562,761,931,937,056 - Step 5: Solve for x
x = 33,562,761,931,937,056/252,272,134.20 - Step 6: Final answer
x = 133,041,891.60
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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.