Finding the Fourth Proportional to 124,448,442.84, 171,738,860.58 and 68,693,876.46
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Solution
The fourth proportional to 124,448,442.84, 171,738,860.58 and 68,693,876.46 is: 94,797,554.74
Step by Step Solution
- Step 1: Write the proportion equation
124,448,442.84 : 171,738,860.58 = 68,693,876.46 : x - Step 2: Convert to fraction form
124,448,442.84/171,738,860.58 = 68,693,876.46/x - Step 3: Cross multiply
124,448,442.84x = 171,738,860.58 × 68,693,876.46 - Step 4: Simplify right side
124,448,442.84x = 11,797,408,072,063,684 - Step 5: Solve for x
x = 11,797,408,072,063,684/124,448,442.84 - Step 6: Final answer
x = 94,797,554.74
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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.