Finding the Fourth Proportional to 69,419,389.40, 104,163,204.89 and 27,918,608.99
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Solution
The fourth proportional to 69,419,389.40, 104,163,204.89 and 27,918,608.99 is: 41,891,635.94
Step by Step Solution
- Step 1: Write the proportion equation
69,419,389.40 : 104,163,204.89 = 27,918,608.99 : x - Step 2: Convert to fraction form
69,419,389.40/104,163,204.89 = 27,918,608.99/x - Step 3: Cross multiply
69,419,389.40x = 104,163,204.89 × 27,918,608.99 - Step 4: Simplify right side
69,419,389.40x = 2,908,091,788,018,146.50 - Step 5: Solve for x
x = 2,908,091,788,018,146.50/69,419,389.40 - Step 6: Final answer
x = 41,891,635.94
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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.