Finding the Fourth Proportional to 65,143,876.80, 97,715,815.20 and 22,593,604.80
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Solution
The fourth proportional to 65,143,876.80, 97,715,815.20 and 22,593,604.80 is: 33,890,407.20
Step by Step Solution
- Step 1: Write the proportion equation
65,143,876.80 : 97,715,815.20 = 22,593,604.80 : x - Step 2: Convert to fraction form
65,143,876.80/97,715,815.20 = 22,593,604.80/x - Step 3: Cross multiply
65,143,876.80x = 97,715,815.20 × 22,593,604.80 - Step 4: Simplify right side
65,143,876.80x = 2,207,752,511,338,633 - Step 5: Solve for x
x = 2,207,752,511,338,633/65,143,876.80 - Step 6: Final answer
x = 33,890,407.20
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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.