Finding the Fourth Proportional to 73,963,285.80, 110,944,928.70 and 33,573,769.80
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Solution
The fourth proportional to 73,963,285.80, 110,944,928.70 and 33,573,769.80 is: 50,360,654.70
Step by Step Solution
- Step 1: Write the proportion equation
73,963,285.80 : 110,944,928.70 = 33,573,769.80 : x - Step 2: Convert to fraction form
73,963,285.80/110,944,928.70 = 33,573,769.80/x - Step 3: Cross multiply
73,963,285.80x = 110,944,928.70 × 33,573,769.80 - Step 4: Simplify right side
73,963,285.80x = 3,724,839,496,651,213 - Step 5: Solve for x
x = 3,724,839,496,651,213/73,963,285.80 - Step 6: Final answer
x = 50,360,654.70
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1.5x scale
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.