Finding the Fourth Proportional to 230,190,507.04, 317,659,145.68 and 125,766,330.88
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Solution
The fourth proportional to 230,190,507.04, 317,659,145.68 and 125,766,330.88 is: 173,555,485.57
Step by Step Solution
- Step 1: Write the proportion equation
230,190,507.04 : 317,659,145.68 = 125,766,330.88 : x - Step 2: Convert to fraction form
230,190,507.04/317,659,145.68 = 125,766,330.88/x - Step 3: Cross multiply
230,190,507.04x = 317,659,145.68 × 125,766,330.88 - Step 4: Simplify right side
230,190,507.04x = 39,950,825,222,649,000 - Step 5: Solve for x
x = 39,950,825,222,649,000/230,190,507.04 - Step 6: Final answer
x = 173,555,485.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.