Finding the Fourth Proportional to 255,204,427.20, 382,806,640.80 and 125,873,995.20
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Solution
The fourth proportional to 255,204,427.20, 382,806,640.80 and 125,873,995.20 is: 188,810,992.80
Step by Step Solution
- Step 1: Write the proportion equation
255,204,427.20 : 382,806,640.80 = 125,873,995.20 : x - Step 2: Convert to fraction form
255,204,427.20/382,806,640.80 = 125,873,995.20/x - Step 3: Cross multiply
255,204,427.20x = 382,806,640.80 × 125,873,995.20 - Step 4: Simplify right side
255,204,427.20x = 48,185,401,266,587,328 - Step 5: Solve for x
x = 48,185,401,266,587,328/255,204,427.20 - Step 6: Final answer
x = 188,810,992.80
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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.