Finding the Fourth Proportional to 68,056,021.62, 102,083,876.67 and 29,169,258.85
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Solution
The fourth proportional to 68,056,021.62, 102,083,876.67 and 29,169,258.85 is: 43,753,821.52
Step by Step Solution
- Step 1: Write the proportion equation
68,056,021.62 : 102,083,876.67 = 29,169,258.85 : x - Step 2: Convert to fraction form
68,056,021.62/102,083,876.67 = 29,169,258.85/x - Step 3: Cross multiply
68,056,021.62x = 102,083,876.67 × 29,169,258.85 - Step 4: Simplify right side
68,056,021.62x = 2,977,711,022,998,706 - Step 5: Solve for x
x = 2,977,711,022,998,706/68,056,021.62 - Step 6: Final answer
x = 43,753,821.52
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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.