Finding the Fourth Proportional to 255,575,101.20, 383,101,378.20 and 125,983,395.60
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Solution
The fourth proportional to 255,575,101.20, 383,101,378.20 and 125,983,395.60 is: 188,846,300.98
Step by Step Solution
- Step 1: Write the proportion equation
255,575,101.20 : 383,101,378.20 = 125,983,395.60 : x - Step 2: Convert to fraction form
255,575,101.20/383,101,378.20 = 125,983,395.60/x - Step 3: Cross multiply
255,575,101.20x = 383,101,378.20 × 125,983,395.60 - Step 4: Simplify right side
255,575,101.20x = 48,264,412,484,675,816 - Step 5: Solve for x
x = 48,264,412,484,675,816/255,575,101.20 - Step 6: Final answer
x = 188,846,300.98
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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.