Finding the Fourth Proportional to 194,479,714.56, 268,464,643.84 and 121,177,073.92
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Solution
The fourth proportional to 194,479,714.56, 268,464,643.84 and 121,177,073.92 is: 167,275,852.21
Step by Step Solution
- Step 1: Write the proportion equation
194,479,714.56 : 268,464,643.84 = 121,177,073.92 : x - Step 2: Convert to fraction form
194,479,714.56/268,464,643.84 = 121,177,073.92/x - Step 3: Cross multiply
194,479,714.56x = 268,464,643.84 × 121,177,073.92 - Step 4: Simplify right side
194,479,714.56x = 32,531,759,991,506,148 - Step 5: Solve for x
x = 32,531,759,991,506,148/194,479,714.56 - Step 6: Final answer
x = 167,275,852.21
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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.