Finding the Fourth Proportional to 80,483,416.80, 120,725,125.20 and 29,348,440.80
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Solution
The fourth proportional to 80,483,416.80, 120,725,125.20 and 29,348,440.80 is: 44,022,661.20
Step by Step Solution
- Step 1: Write the proportion equation
80,483,416.80 : 120,725,125.20 = 29,348,440.80 : x - Step 2: Convert to fraction form
80,483,416.80/120,725,125.20 = 29,348,440.80/x - Step 3: Cross multiply
80,483,416.80x = 120,725,125.20 × 29,348,440.80 - Step 4: Simplify right side
80,483,416.80x = 3,543,094,190,004,788.50 - Step 5: Solve for x
x = 3,543,094,190,004,788.50/80,483,416.80 - Step 6: Final answer
x = 44,022,661.20
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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.