Finding the Fourth Proportional to 125,640,320.92, 188,462,843.54 and 39,376,817.80
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Solution
The fourth proportional to 125,640,320.92, 188,462,843.54 and 39,376,817.80 is: 59,065,967.02
Step by Step Solution
- Step 1: Write the proportion equation
125,640,320.92 : 188,462,843.54 = 39,376,817.80 : x - Step 2: Convert to fraction form
125,640,320.92/188,462,843.54 = 39,376,817.80/x - Step 3: Cross multiply
125,640,320.92x = 188,462,843.54 × 39,376,817.80 - Step 4: Simplify right side
125,640,320.92x = 7,421,067,052,144,486 - Step 5: Solve for x
x = 7,421,067,052,144,486/125,640,320.92 - Step 6: Final answer
x = 59,065,967.02
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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.