Finding the Fourth Proportional to 45,530,843.60, 68,272,645.80 and 16,762,170.80
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Solution
The fourth proportional to 45,530,843.60, 68,272,645.80 and 16,762,170.80 is: 25,134,560.65
Step by Step Solution
- Step 1: Write the proportion equation
45,530,843.60 : 68,272,645.80 = 16,762,170.80 : x - Step 2: Convert to fraction form
45,530,843.60/68,272,645.80 = 16,762,170.80/x - Step 3: Cross multiply
45,530,843.60x = 68,272,645.80 × 16,762,170.80 - Step 4: Simplify right side
45,530,843.60x = 1,144,397,749,867,502.75 - Step 5: Solve for x
x = 1,144,397,749,867,502.75/45,530,843.60 - Step 6: Final answer
x = 25,134,560.65
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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.