Finding the Fourth Proportional to 157,858,395.68, 236,784,984.96 and 47,194,322.24
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Solution
The fourth proportional to 157,858,395.68, 236,784,984.96 and 47,194,322.24 is: 70,790,703.49
Step by Step Solution
- Step 1: Write the proportion equation
157,858,395.68 : 236,784,984.96 = 47,194,322.24 : x - Step 2: Convert to fraction form
157,858,395.68/236,784,984.96 = 47,194,322.24/x - Step 3: Cross multiply
157,858,395.68x = 236,784,984.96 × 47,194,322.24 - Step 4: Simplify right side
157,858,395.68x = 11,174,906,881,795,794 - Step 5: Solve for x
x = 11,174,906,881,795,794/157,858,395.68 - Step 6: Final answer
x = 70,790,703.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.