Finding the Fourth Proportional to 248,177,261.12, 372,435,926.88 and 86,619,197.12
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Solution
The fourth proportional to 248,177,261.12, 372,435,926.88 and 86,619,197.12 is: 129,988,141.62
Step by Step Solution
- Step 1: Write the proportion equation
248,177,261.12 : 372,435,926.88 = 86,619,197.12 : x - Step 2: Convert to fraction form
248,177,261.12/372,435,926.88 = 86,619,197.12/x - Step 3: Cross multiply
248,177,261.12x = 372,435,926.88 × 86,619,197.12 - Step 4: Simplify right side
248,177,261.12x = 32,260,100,964,988,628 - Step 5: Solve for x
x = 32,260,100,964,988,628/248,177,261.12 - Step 6: Final answer
x = 129,988,141.62
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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.