Finding the Fourth Proportional to 112,173,067.70, 168,259,601.55 and 106,882,277.30
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Solution
The fourth proportional to 112,173,067.70, 168,259,601.55 and 106,882,277.30 is: 160,323,415.95
Step by Step Solution
- Step 1: Write the proportion equation
112,173,067.70 : 168,259,601.55 = 106,882,277.30 : x - Step 2: Convert to fraction form
112,173,067.70/168,259,601.55 = 106,882,277.30/x - Step 3: Cross multiply
112,173,067.70x = 168,259,601.55 × 106,882,277.30 - Step 4: Simplify right side
112,173,067.70x = 17,983,969,391,254,610 - Step 5: Solve for x
x = 17,983,969,391,254,610/112,173,067.70 - Step 6: Final answer
x = 160,323,415.95
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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.