Finding the Fourth Proportional to 88,573,610.70, 132,860,416.05 and 74,543,568.30
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Solution
The fourth proportional to 88,573,610.70, 132,860,416.05 and 74,543,568.30 is: 111,815,352.45
Step by Step Solution
- Step 1: Write the proportion equation
88,573,610.70 : 132,860,416.05 = 74,543,568.30 : x - Step 2: Convert to fraction form
88,573,610.70/132,860,416.05 = 74,543,568.30/x - Step 3: Cross multiply
88,573,610.70x = 132,860,416.05 × 74,543,568.30 - Step 4: Simplify right side
88,573,610.70x = 9,903,889,498,189,590 - Step 5: Solve for x
x = 9,903,889,498,189,590/88,573,610.70 - Step 6: Final answer
x = 111,815,352.45
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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.