Finding the Fourth Proportional to 97,027,861.20, 145,205,868.60 and 88,965,704.40
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Solution
The fourth proportional to 97,027,861.20, 145,205,868.60 and 88,965,704.40 is: 133,140,545.65
Step by Step Solution
- Step 1: Write the proportion equation
97,027,861.20 : 145,205,868.60 = 88,965,704.40 : x - Step 2: Convert to fraction form
97,027,861.20/145,205,868.60 = 88,965,704.40/x - Step 3: Cross multiply
97,027,861.20x = 145,205,868.60 × 88,965,704.40 - Step 4: Simplify right side
97,027,861.20x = 12,918,342,383,012,842 - Step 5: Solve for x
x = 12,918,342,383,012,842/97,027,861.20 - Step 6: Final answer
x = 133,140,545.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.