Finding the Fourth Proportional to 123,982,482.74, 171,097,395.27 and 68,234,321.84
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Solution
The fourth proportional to 123,982,482.74, 171,097,395.27 and 68,234,321.84 is: 94,164,227.69
Step by Step Solution
- Step 1: Write the proportion equation
123,982,482.74 : 171,097,395.27 = 68,234,321.84 : x - Step 2: Convert to fraction form
123,982,482.74/171,097,395.27 = 68,234,321.84/x - Step 3: Cross multiply
123,982,482.74x = 171,097,395.27 × 68,234,321.84 - Step 4: Simplify right side
123,982,482.74x = 11,674,714,734,838,876 - Step 5: Solve for x
x = 11,674,714,734,838,876/123,982,482.74 - Step 6: Final answer
x = 94,164,227.69
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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.