Finding the Fourth Proportional to 247,830,082.80, 371,745,124.20 and 118,689,919.80
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Solution
The fourth proportional to 247,830,082.80, 371,745,124.20 and 118,689,919.80 is: 178,034,879.70
Step by Step Solution
- Step 1: Write the proportion equation
247,830,082.80 : 371,745,124.20 = 118,689,919.80 : x - Step 2: Convert to fraction form
247,830,082.80/371,745,124.20 = 118,689,919.80/x - Step 3: Cross multiply
247,830,082.80x = 371,745,124.20 × 118,689,919.80 - Step 4: Simplify right side
247,830,082.80x = 44,122,398,977,339,040 - Step 5: Solve for x
x = 44,122,398,977,339,040/247,830,082.80 - Step 6: Final answer
x = 178,034,879.70
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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.