Finding the Fourth Proportional to 124,201,816.28, 171,399,676.82 and 68,449,244.13
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Solution
The fourth proportional to 124,201,816.28, 171,399,676.82 and 68,449,244.13 is: 94,460,601.90
Step by Step Solution
- Step 1: Write the proportion equation
124,201,816.28 : 171,399,676.82 = 68,449,244.13 : x - Step 2: Convert to fraction form
124,201,816.28/171,399,676.82 = 68,449,244.13/x - Step 3: Cross multiply
124,201,816.28x = 171,399,676.82 × 68,449,244.13 - Step 4: Simplify right side
124,201,816.28x = 11,732,178,322,455,280 - Step 5: Solve for x
x = 11,732,178,322,455,280/124,201,816.28 - Step 6: Final answer
x = 94,460,601.90
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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.