Finding the Fourth Proportional to 258,129,822, 387,449,826.24 and 136,961,274
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Solution
The fourth proportional to 258,129,822, 387,449,826.24 and 136,961,274 is: 205,577,261.09
Step by Step Solution
- Step 1: Write the proportion equation
258,129,822 : 387,449,826.24 = 136,961,274 : x - Step 2: Convert to fraction form
258,129,822/387,449,826.24 = 136,961,274/x - Step 3: Cross multiply
258,129,822x = 387,449,826.24 × 136,961,274 - Step 4: Simplify right side
258,129,822x = 53,065,621,812,909,032 - Step 5: Solve for x
x = 53,065,621,812,909,032/258,129,822 - Step 6: Final answer
x = 205,577,261.09
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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.