Finding the Fourth Proportional to 124,448,448.34, 171,738,868.17 and 68,693,881.96
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Solution
The fourth proportional to 124,448,448.34, 171,738,868.17 and 68,693,881.96 is: 94,797,562.33
Step by Step Solution
- Step 1: Write the proportion equation
124,448,448.34 : 171,738,868.17 = 68,693,881.96 : x - Step 2: Convert to fraction form
124,448,448.34/171,738,868.17 = 68,693,881.96/x - Step 3: Cross multiply
124,448,448.34x = 171,738,868.17 × 68,693,881.96 - Step 4: Simplify right side
124,448,448.34x = 11,797,409,538,013,980 - Step 5: Solve for x
x = 11,797,409,538,013,980/124,448,448.34 - Step 6: Final answer
x = 94,797,562.33
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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.