Finding the Fourth Proportional to 220,940,649.12, 331,035,941.81 and 133,318,058.28
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Solution
The fourth proportional to 220,940,649.12, 331,035,941.81 and 133,318,058.28 is: 199,750,788.99
Step by Step Solution
- Step 1: Write the proportion equation
220,940,649.12 : 331,035,941.81 = 133,318,058.28 : x - Step 2: Convert to fraction form
220,940,649.12/331,035,941.81 = 133,318,058.28/x - Step 3: Cross multiply
220,940,649.12x = 331,035,941.81 × 133,318,058.28 - Step 4: Simplify right side
220,940,649.12x = 44,133,068,982,092,184 - Step 5: Solve for x
x = 44,133,068,982,092,184/220,940,649.12 - Step 6: Final answer
x = 199,750,788.99
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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.