Finding the Fourth Proportional to 69,419,390.40, 104,163,206.39 and 27,918,609.99
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Solution
The fourth proportional to 69,419,390.40, 104,163,206.39 and 27,918,609.99 is: 41,891,637.45
Step by Step Solution
- Step 1: Write the proportion equation
69,419,390.40 : 104,163,206.39 = 27,918,609.99 : x - Step 2: Convert to fraction form
69,419,390.40/104,163,206.39 = 27,918,609.99/x - Step 3: Cross multiply
69,419,390.40x = 104,163,206.39 × 27,918,609.99 - Step 4: Simplify right side
69,419,390.40x = 2,908,091,934,510,285.50 - Step 5: Solve for x
x = 2,908,091,934,510,285.50/69,419,390.40 - Step 6: Final answer
x = 41,891,637.45
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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.