Finding the Fourth Proportional to 372,276,756.90, 558,415,135.35 and 99,647,523.90
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Solution
The fourth proportional to 372,276,756.90, 558,415,135.35 and 99,647,523.90 is: 149,471,285.85
Step by Step Solution
- Step 1: Write the proportion equation
372,276,756.90 : 558,415,135.35 = 99,647,523.90 : x - Step 2: Convert to fraction form
372,276,756.90/558,415,135.35 = 99,647,523.90/x - Step 3: Cross multiply
372,276,756.90x = 558,415,135.35 × 99,647,523.90 - Step 4: Simplify right side
372,276,756.90x = 55,644,685,545,910,864 - Step 5: Solve for x
x = 55,644,685,545,910,864/372,276,756.90 - Step 6: Final answer
x = 149,471,285.85
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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.