Finding the Fourth Proportional to 128,060,955.44, 192,062,683.58 and 58,907,342.92
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Solution
The fourth proportional to 128,060,955.44, 192,062,683.58 and 58,907,342.92 is: 88,347,789.73
Step by Step Solution
- Step 1: Write the proportion equation
128,060,955.44 : 192,062,683.58 = 58,907,342.92 : x - Step 2: Convert to fraction form
128,060,955.44/192,062,683.58 = 58,907,342.92/x - Step 3: Cross multiply
128,060,955.44x = 192,062,683.58 × 58,907,342.92 - Step 4: Simplify right side
128,060,955.44x = 11,313,902,363,782,514 - Step 5: Solve for x
x = 11,313,902,363,782,514/128,060,955.44 - Step 6: Final answer
x = 88,347,789.73
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1.5x scale
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.