Finding the Fourth Proportional to 80,110,237.60, 120,214,695.04 and 31,579,832.80
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Solution
The fourth proportional to 80,110,237.60, 120,214,695.04 and 31,579,832.80 is: 47,389,198.72
Step by Step Solution
- Step 1: Write the proportion equation
80,110,237.60 : 120,214,695.04 = 31,579,832.80 : x - Step 2: Convert to fraction form
80,110,237.60/120,214,695.04 = 31,579,832.80/x - Step 3: Cross multiply
80,110,237.60x = 120,214,695.04 × 31,579,832.80 - Step 4: Simplify right side
80,110,237.60x = 3,796,359,969,466,189.50 - Step 5: Solve for x
x = 3,796,359,969,466,189.50/80,110,237.60 - Step 6: Final answer
x = 47,389,198.72
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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.