Finding the Fourth Proportional to 255,576,514.20, 383,103,497.70 and 125,984,808.60
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Solution
The fourth proportional to 255,576,514.20, 383,103,497.70 and 125,984,808.60 is: 188,848,419.75
Step by Step Solution
- Step 1: Write the proportion equation
255,576,514.20 : 383,103,497.70 = 125,984,808.60 : x - Step 2: Convert to fraction form
255,576,514.20/383,103,497.70 = 125,984,808.60/x - Step 3: Cross multiply
255,576,514.20x = 383,103,497.70 × 125,984,808.60 - Step 4: Simplify right side
255,576,514.20x = 48,265,220,831,725,040 - Step 5: Solve for x
x = 48,265,220,831,725,040/255,576,514.20 - Step 6: Final answer
x = 188,848,419.75
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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.