Finding the Fourth Proportional to 129,024,212.20, 193,552,907.10 and 64,361,069.80
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Solution
The fourth proportional to 129,024,212.20, 193,552,907.10 and 64,361,069.80 is: 96,549,879.68
Step by Step Solution
- Step 1: Write the proportion equation
129,024,212.20 : 193,552,907.10 = 64,361,069.80 : x - Step 2: Convert to fraction form
129,024,212.20/193,552,907.10 = 64,361,069.80/x - Step 3: Cross multiply
129,024,212.20x = 193,552,907.10 × 64,361,069.80 - Step 4: Simplify right side
129,024,212.20x = 12,457,272,163,856,014 - Step 5: Solve for x
x = 12,457,272,163,856,014/129,024,212.20 - Step 6: Final answer
x = 96,549,879.68
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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.