Finding the Fourth Proportional to 220,385,390.29, 330,475,932.11 and 82,173,887.50
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Solution
The fourth proportional to 220,385,390.29, 330,475,932.11 and 82,173,887.50 is: 123,222,741.90
Step by Step Solution
- Step 1: Write the proportion equation
220,385,390.29 : 330,475,932.11 = 82,173,887.50 : x - Step 2: Convert to fraction form
220,385,390.29/330,475,932.11 = 82,173,887.50/x - Step 3: Cross multiply
220,385,390.29x = 330,475,932.11 × 82,173,887.50 - Step 4: Simplify right side
220,385,390.29x = 27,156,492,066,253,908 - Step 5: Solve for x
x = 27,156,492,066,253,908/220,385,390.29 - Step 6: Final answer
x = 123,222,741.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.