Finding the Fourth Proportional to 176,439,673.80, 264,659,510.70 and 103,691,305.80
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Solution
The fourth proportional to 176,439,673.80, 264,659,510.70 and 103,691,305.80 is: 155,536,958.70
Step by Step Solution
- Step 1: Write the proportion equation
176,439,673.80 : 264,659,510.70 = 103,691,305.80 : x - Step 2: Convert to fraction form
176,439,673.80/264,659,510.70 = 103,691,305.80/x - Step 3: Cross multiply
176,439,673.80x = 264,659,510.70 × 103,691,305.80 - Step 4: Simplify right side
176,439,673.80x = 27,442,890,256,872,072 - Step 5: Solve for x
x = 27,442,890,256,872,072/176,439,673.80 - Step 6: Final answer
x = 155,536,958.70
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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.