Finding the Fourth Proportional to 258,204,249.99, 356,329,332.77 and 140,737,188.56
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Solution
The fourth proportional to 258,204,249.99, 356,329,332.77 and 140,737,188.56 is: 194,221,390.60
Step by Step Solution
- Step 1: Write the proportion equation
258,204,249.99 : 356,329,332.77 = 140,737,188.56 : x - Step 2: Convert to fraction form
258,204,249.99/356,329,332.77 = 140,737,188.56/x - Step 3: Cross multiply
258,204,249.99x = 356,329,332.77 × 140,737,188.56 - Step 4: Simplify right side
258,204,249.99x = 50,148,788,493,025,144 - Step 5: Solve for x
x = 50,148,788,493,025,144/258,204,249.99 - Step 6: Final answer
x = 194,221,390.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.