Finding the Fourth Proportional to 91,029,865.50, 136,544,936.76 and 37,177,177.50
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Solution
The fourth proportional to 91,029,865.50, 136,544,936.76 and 37,177,177.50 is: 55,765,822.82
Step by Step Solution
- Step 1: Write the proportion equation
91,029,865.50 : 136,544,936.76 = 37,177,177.50 : x - Step 2: Convert to fraction form
91,029,865.50/136,544,936.76 = 37,177,177.50/x - Step 3: Cross multiply
91,029,865.50x = 136,544,936.76 × 37,177,177.50 - Step 4: Simplify right side
91,029,865.50x = 5,076,355,350,652,795 - Step 5: Solve for x
x = 5,076,355,350,652,795/91,029,865.50 - Step 6: Final answer
x = 55,765,822.82
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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.