Finding the Fourth Proportional to 84,102,550.80, 126,177,445.80 and 40,973,161.20
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Solution
The fourth proportional to 84,102,550.80, 126,177,445.80 and 40,973,161.20 is: 61,471,248.82
Step by Step Solution
- Step 1: Write the proportion equation
84,102,550.80 : 126,177,445.80 = 40,973,161.20 : x - Step 2: Convert to fraction form
84,102,550.80/126,177,445.80 = 40,973,161.20/x - Step 3: Cross multiply
84,102,550.80x = 126,177,445.80 × 40,973,161.20 - Step 4: Simplify right side
84,102,550.80x = 5,169,888,826,567,663 - Step 5: Solve for x
x = 5,169,888,826,567,663/84,102,550.80 - Step 6: Final answer
x = 61,471,248.82
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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.