Finding the Fourth Proportional to 179,930,137.20, 248,118,008.28 and 153,910,793.84
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Solution
The fourth proportional to 179,930,137.20, 248,118,008.28 and 153,910,793.84 is: 212,238,150.95
Step by Step Solution
- Step 1: Write the proportion equation
179,930,137.20 : 248,118,008.28 = 153,910,793.84 : x - Step 2: Convert to fraction form
179,930,137.20/248,118,008.28 = 153,910,793.84/x - Step 3: Cross multiply
179,930,137.20x = 248,118,008.28 × 153,910,793.84 - Step 4: Simplify right side
179,930,137.20x = 38,188,039,620,374,496 - Step 5: Solve for x
x = 38,188,039,620,374,496/179,930,137.20 - Step 6: Final answer
x = 212,238,150.95
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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.