Finding the Fourth Proportional to 120,955,187.40, 181,503,639.90 and 44,285,965.80
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Solution
The fourth proportional to 120,955,187.40, 181,503,639.90 and 44,285,965.80 is: 66,454,892.61
Step by Step Solution
- Step 1: Write the proportion equation
120,955,187.40 : 181,503,639.90 = 44,285,965.80 : x - Step 2: Convert to fraction form
120,955,187.40/181,503,639.90 = 44,285,965.80/x - Step 3: Cross multiply
120,955,187.40x = 181,503,639.90 × 44,285,965.80 - Step 4: Simplify right side
120,955,187.40x = 8,038,063,989,186,915 - Step 5: Solve for x
x = 8,038,063,989,186,915/120,955,187.40 - Step 6: Final answer
x = 66,454,892.61
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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.