Finding the Fourth Proportional to 65,205,609.80, 97,808,414.70 and 39,696,441.80
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Solution
The fourth proportional to 65,205,609.80, 97,808,414.70 and 39,696,441.80 is: 59,544,662.70
Step by Step Solution
- Step 1: Write the proportion equation
65,205,609.80 : 97,808,414.70 = 39,696,441.80 : x - Step 2: Convert to fraction form
65,205,609.80/97,808,414.70 = 39,696,441.80/x - Step 3: Cross multiply
65,205,609.80x = 97,808,414.70 × 39,696,441.80 - Step 4: Simplify right side
65,205,609.80x = 3,882,646,041,688,814.50 - Step 5: Solve for x
x = 3,882,646,041,688,814.50/65,205,609.80 - Step 6: Final answer
x = 59,544,662.70
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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.