Finding the Fourth Proportional to 76,804,904.70, 115,207,357.05 and 50,976,872.10
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Solution
The fourth proportional to 76,804,904.70, 115,207,357.05 and 50,976,872.10 is: 76,465,308.15
Step by Step Solution
- Step 1: Write the proportion equation
76,804,904.70 : 115,207,357.05 = 50,976,872.10 : x - Step 2: Convert to fraction form
76,804,904.70/115,207,357.05 = 50,976,872.10/x - Step 3: Cross multiply
76,804,904.70x = 115,207,357.05 × 50,976,872.10 - Step 4: Simplify right side
76,804,904.70x = 5,872,910,705,316,883 - Step 5: Solve for x
x = 5,872,910,705,316,883/76,804,904.70 - Step 6: Final answer
x = 76,465,308.15
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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.