Finding the Fourth Proportional to 73,446,007.20, 110,169,010.80 and 44,220,688.80
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Solution
The fourth proportional to 73,446,007.20, 110,169,010.80 and 44,220,688.80 is: 66,331,033.20
Step by Step Solution
- Step 1: Write the proportion equation
73,446,007.20 : 110,169,010.80 = 44,220,688.80 : x - Step 2: Convert to fraction form
73,446,007.20/110,169,010.80 = 44,220,688.80/x - Step 3: Cross multiply
73,446,007.20x = 110,169,010.80 × 44,220,688.80 - Step 4: Simplify right side
73,446,007.20x = 4,871,749,541,990,639 - Step 5: Solve for x
x = 4,871,749,541,990,639/73,446,007.20 - Step 6: Final answer
x = 66,331,033.20
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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.