Finding the Fourth Proportional to 116,197,943.76, 174,133,786.68 and 91,829,745.36
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Solution
The fourth proportional to 116,197,943.76, 174,133,786.68 and 91,829,745.36 is: 137,615,699.31
Step by Step Solution
- Step 1: Write the proportion equation
116,197,943.76 : 174,133,786.68 = 91,829,745.36 : x - Step 2: Convert to fraction form
116,197,943.76/174,133,786.68 = 91,829,745.36/x - Step 3: Cross multiply
116,197,943.76x = 174,133,786.68 × 91,829,745.36 - Step 4: Simplify right side
116,197,943.76x = 15,990,661,289,396,960 - Step 5: Solve for x
x = 15,990,661,289,396,960/116,197,943.76 - Step 6: Final answer
x = 137,615,699.31
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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.