Finding the Fourth Proportional to 252,272,135.70, 378,408,203.55 and 88,694,595.90
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Solution
The fourth proportional to 252,272,135.70, 378,408,203.55 and 88,694,595.90 is: 133,041,893.85
Step by Step Solution
- Step 1: Write the proportion equation
252,272,135.70 : 378,408,203.55 = 88,694,595.90 : x - Step 2: Convert to fraction form
252,272,135.70/378,408,203.55 = 88,694,595.90/x - Step 3: Cross multiply
252,272,135.70x = 378,408,203.55 × 88,694,595.90 - Step 4: Simplify right side
252,272,135.70x = 33,562,762,699,112,200 - Step 5: Solve for x
x = 33,562,762,699,112,200/252,272,135.70 - Step 6: Final answer
x = 133,041,893.85
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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.