Finding the Fourth Proportional to 73,872,193.20, 110,808,289.80 and 62,393,067.60
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Solution
The fourth proportional to 73,872,193.20, 110,808,289.80 and 62,393,067.60 is: 93,589,601.40
Step by Step Solution
- Step 1: Write the proportion equation
73,872,193.20 : 110,808,289.80 = 62,393,067.60 : x - Step 2: Convert to fraction form
73,872,193.20/110,808,289.80 = 62,393,067.60/x - Step 3: Cross multiply
73,872,193.20x = 110,808,289.80 × 62,393,067.60 - Step 4: Simplify right side
73,872,193.20x = 6,913,669,116,131,790 - Step 5: Solve for x
x = 6,913,669,116,131,790/73,872,193.20 - Step 6: Final answer
x = 93,589,601.40
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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.