Finding the Fourth Proportional to 44,331,964.80, 66,385,972.80 and 29,103,446.40
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Solution
The fourth proportional to 44,331,964.80, 66,385,972.80 and 29,103,446.40 is: 43,581,659.64
Step by Step Solution
- Step 1: Write the proportion equation
44,331,964.80 : 66,385,972.80 = 29,103,446.40 : x - Step 2: Convert to fraction form
44,331,964.80/66,385,972.80 = 29,103,446.40/x - Step 3: Cross multiply
44,331,964.80x = 66,385,972.80 × 29,103,446.40 - Step 4: Simplify right side
44,331,964.80x = 1,932,060,601,096,657.75 - Step 5: Solve for x
x = 1,932,060,601,096,657.75/44,331,964.80 - Step 6: Final answer
x = 43,581,659.64
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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.