Finding the Fourth Proportional to 86,893,825.70, 130,358,234.55 and 25,482,865.70
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Solution
The fourth proportional to 86,893,825.70, 130,358,234.55 and 25,482,865.70 is: 38,229,429.50
Step by Step Solution
- Step 1: Write the proportion equation
86,893,825.70 : 130,358,234.55 = 25,482,865.70 : x - Step 2: Convert to fraction form
86,893,825.70/130,358,234.55 = 25,482,865.70/x - Step 3: Cross multiply
86,893,825.70x = 130,358,234.55 × 25,482,865.70 - Step 4: Simplify right side
86,893,825.70x = 3,321,901,383,926,750 - Step 5: Solve for x
x = 3,321,901,383,926,750/86,893,825.70 - Step 6: Final answer
x = 38,229,429.50
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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.