Finding the Fourth Proportional to 149,544,805.20, 224,347,534.20 and 84,879,589.20
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Solution
The fourth proportional to 149,544,805.20, 224,347,534.20 and 84,879,589.20 is: 127,336,596.65
Step by Step Solution
- Step 1: Write the proportion equation
149,544,805.20 : 224,347,534.20 = 84,879,589.20 : x - Step 2: Convert to fraction form
149,544,805.20/224,347,534.20 = 84,879,589.20/x - Step 3: Cross multiply
149,544,805.20x = 224,347,534.20 × 84,879,589.20 - Step 4: Simplify right side
149,544,805.20x = 19,042,526,540,928,952 - Step 5: Solve for x
x = 19,042,526,540,928,952/149,544,805.20 - Step 6: Final answer
x = 127,336,596.65
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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.