Finding the Fourth Proportional to 132,076,302.13, 182,282,112.05 and 79,865,711.44
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Solution
The fourth proportional to 132,076,302.13, 182,282,112.05 and 79,865,711.44 is: 110,224,849.77
Step by Step Solution
- Step 1: Write the proportion equation
132,076,302.13 : 182,282,112.05 = 79,865,711.44 : x - Step 2: Convert to fraction form
132,076,302.13/182,282,112.05 = 79,865,711.44/x - Step 3: Cross multiply
132,076,302.13x = 182,282,112.05 × 79,865,711.44 - Step 4: Simplify right side
132,076,302.13x = 14,558,090,560,804,012 - Step 5: Solve for x
x = 14,558,090,560,804,012/132,076,302.13 - Step 6: Final answer
x = 110,224,849.77
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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.