Finding the Fourth Proportional to 160,513,097.27, 221,521,735.10 and 90,910,859.99
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Solution
The fourth proportional to 160,513,097.27, 221,521,735.10 and 90,910,859.99 is: 125,464,723.98
Step by Step Solution
- Step 1: Write the proportion equation
160,513,097.27 : 221,521,735.10 = 90,910,859.99 : x - Step 2: Convert to fraction form
160,513,097.27/221,521,735.10 = 90,910,859.99/x - Step 3: Cross multiply
160,513,097.27x = 221,521,735.10 × 90,910,859.99 - Step 4: Simplify right side
160,513,097.27x = 20,138,731,443,537,636 - Step 5: Solve for x
x = 20,138,731,443,537,636/160,513,097.27 - Step 6: Final answer
x = 125,464,723.98
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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.