Finding the Fourth Proportional to 164,734,988.29, 227,333,660.20 and 90,396,792.99
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Solution
The fourth proportional to 164,734,988.29, 227,333,660.20 and 90,396,792.99 is: 124,747,232.11
Step by Step Solution
- Step 1: Write the proportion equation
164,734,988.29 : 227,333,660.20 = 90,396,792.99 : x - Step 2: Convert to fraction form
164,734,988.29/227,333,660.20 = 90,396,792.99/x - Step 3: Cross multiply
164,734,988.29x = 227,333,660.20 × 90,396,792.99 - Step 4: Simplify right side
164,734,988.29x = 20,550,233,820,532,408 - Step 5: Solve for x
x = 20,550,233,820,532,408/164,734,988.29 - Step 6: Final answer
x = 124,747,232.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.