Finding the Fourth Proportional to 124,765,824.24, 172,165,282.20 and 69,010,044.48
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Solution
The fourth proportional to 124,765,824.24, 172,165,282.20 and 69,010,044.48 is: 95,227,469.98
Step by Step Solution
- Step 1: Write the proportion equation
124,765,824.24 : 172,165,282.20 = 69,010,044.48 : x - Step 2: Convert to fraction form
124,765,824.24/172,165,282.20 = 69,010,044.48/x - Step 3: Cross multiply
124,765,824.24x = 172,165,282.20 × 69,010,044.48 - Step 4: Simplify right side
124,765,824.24x = 11,881,133,782,533,752 - Step 5: Solve for x
x = 11,881,133,782,533,752/124,765,824.24 - Step 6: Final answer
x = 95,227,469.98
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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.