Finding the Fourth Proportional to 84,056,140.40, 126,084,210.60 and 29,530,293.80
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Solution
The fourth proportional to 84,056,140.40, 126,084,210.60 and 29,530,293.80 is: 44,295,440.70
Step by Step Solution
- Step 1: Write the proportion equation
84,056,140.40 : 126,084,210.60 = 29,530,293.80 : x - Step 2: Convert to fraction form
84,056,140.40/126,084,210.60 = 29,530,293.80/x - Step 3: Cross multiply
84,056,140.40x = 126,084,210.60 × 29,530,293.80 - Step 4: Simplify right side
84,056,140.40x = 3,723,303,782,559,074 - Step 5: Solve for x
x = 3,723,303,782,559,074/84,056,140.40 - Step 6: Final answer
x = 44,295,440.70
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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.