Finding the Fourth Proportional to 79,330,121.70, 109,475,778.78 and 44,047,992.12
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Solution
The fourth proportional to 79,330,121.70, 109,475,778.78 and 44,047,992.12 is: 60,786,346.19
Step by Step Solution
- Step 1: Write the proportion equation
79,330,121.70 : 109,475,778.78 = 44,047,992.12 : x - Step 2: Convert to fraction form
79,330,121.70/109,475,778.78 = 44,047,992.12/x - Step 3: Cross multiply
79,330,121.70x = 109,475,778.78 × 44,047,992.12 - Step 4: Simplify right side
79,330,121.70x = 4,822,188,241,032,303 - Step 5: Solve for x
x = 4,822,188,241,032,303/79,330,121.70 - Step 6: Final answer
x = 60,786,346.19
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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.