Finding the Fourth Proportional to 80,170,883.19, 120,341,363.85 and 71,008,336.13
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Solution
The fourth proportional to 80,170,883.19, 120,341,363.85 and 71,008,336.13 is: 106,587,824.33
Step by Step Solution
- Step 1: Write the proportion equation
80,170,883.19 : 120,341,363.85 = 71,008,336.13 : x - Step 2: Convert to fraction form
80,170,883.19/120,341,363.85 = 71,008,336.13/x - Step 3: Cross multiply
80,170,883.19x = 120,341,363.85 × 71,008,336.13 - Step 4: Simplify right side
80,170,883.19x = 8,545,240,014,001,724 - Step 5: Solve for x
x = 8,545,240,014,001,724/80,170,883.19 - Step 6: Final answer
x = 106,587,824.33
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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.