Finding the Fourth Proportional to 74,892,207.36, 112,330,262.84 and 50,785,868.64
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Solution
The fourth proportional to 74,892,207.36, 112,330,262.84 and 50,785,868.64 is: 76,173,345.32
Step by Step Solution
- Step 1: Write the proportion equation
74,892,207.36 : 112,330,262.84 = 50,785,868.64 : x - Step 2: Convert to fraction form
74,892,207.36/112,330,262.84 = 50,785,868.64/x - Step 3: Cross multiply
74,892,207.36x = 112,330,262.84 × 50,785,868.64 - Step 4: Simplify right side
74,892,207.36x = 5,704,789,972,888,914 - Step 5: Solve for x
x = 5,704,789,972,888,914/74,892,207.36 - Step 6: Final answer
x = 76,173,345.32
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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.