Finding the Fourth Proportional to 65,172,116.70, 97,821,160.65 and 39,662,948.70
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Solution
The fourth proportional to 65,172,116.70, 97,821,160.65 and 39,662,948.70 is: 59,532,755.31
Step by Step Solution
- Step 1: Write the proportion equation
65,172,116.70 : 97,821,160.65 = 39,662,948.70 : x - Step 2: Convert to fraction form
65,172,116.70/97,821,160.65 = 39,662,948.70/x - Step 3: Cross multiply
65,172,116.70x = 97,821,160.65 × 39,662,948.70 - Step 4: Simplify right side
65,172,116.70x = 3,879,875,676,635,409 - Step 5: Solve for x
x = 3,879,875,676,635,409/65,172,116.70 - Step 6: Final answer
x = 59,532,755.31
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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.