Finding the Fourth Proportional to 79,115,816.70, 118,673,725.05 and 48,504,815.10
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Solution
The fourth proportional to 79,115,816.70, 118,673,725.05 and 48,504,815.10 is: 72,757,222.65
Step by Step Solution
- Step 1: Write the proportion equation
79,115,816.70 : 118,673,725.05 = 48,504,815.10 : x - Step 2: Convert to fraction form
79,115,816.70/118,673,725.05 = 48,504,815.10/x - Step 3: Cross multiply
79,115,816.70x = 118,673,725.05 × 48,504,815.10 - Step 4: Simplify right side
79,115,816.70x = 5,756,247,090,778,488 - Step 5: Solve for x
x = 5,756,247,090,778,488/79,115,816.70 - Step 6: Final answer
x = 72,757,222.65
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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.