Finding the Fourth Proportional to 88,576,431.40, 132,864,647.10 and 76,459,576.60
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Solution
The fourth proportional to 88,576,431.40, 132,864,647.10 and 76,459,576.60 is: 114,689,364.90
Step by Step Solution
- Step 1: Write the proportion equation
88,576,431.40 : 132,864,647.10 = 76,459,576.60 : x - Step 2: Convert to fraction form
88,576,431.40/132,864,647.10 = 76,459,576.60/x - Step 3: Cross multiply
88,576,431.40x = 132,864,647.10 × 76,459,576.60 - Step 4: Simplify right side
88,576,431.40x = 10,158,774,662,374,416 - Step 5: Solve for x
x = 10,158,774,662,374,416/88,576,431.40 - Step 6: Final answer
x = 114,689,364.90
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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.