Finding the Fourth Proportional to 80,457,450.70, 120,686,176.05 and 26,604,762.70
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Solution
The fourth proportional to 80,457,450.70, 120,686,176.05 and 26,604,762.70 is: 39,907,144.05
Step by Step Solution
- Step 1: Write the proportion equation
80,457,450.70 : 120,686,176.05 = 26,604,762.70 : x - Step 2: Convert to fraction form
80,457,450.70/120,686,176.05 = 26,604,762.70/x - Step 3: Cross multiply
80,457,450.70x = 120,686,176.05 × 26,604,762.70 - Step 4: Simplify right side
80,457,450.70x = 3,210,827,074,980,673 - Step 5: Solve for x
x = 3,210,827,074,980,673/80,457,450.70 - Step 6: Final answer
x = 39,907,144.05
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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.