Finding the Fourth Proportional to 268,575,158.30, 402,862,714.97 and 74,486,570.09
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Solution
The fourth proportional to 268,575,158.30, 402,862,714.97 and 74,486,570.09 is: 111,729,848.89
Step by Step Solution
- Step 1: Write the proportion equation
268,575,158.30 : 402,862,714.97 = 74,486,570.09 : x - Step 2: Convert to fraction form
268,575,158.30/402,862,714.97 = 74,486,570.09/x - Step 3: Cross multiply
268,575,158.30x = 402,862,714.97 × 74,486,570.09 - Step 4: Simplify right side
268,575,158.30x = 30,007,861,852,873,848 - Step 5: Solve for x
x = 30,007,861,852,873,848/268,575,158.30 - Step 6: Final answer
x = 111,729,848.89
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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.