Finding the Fourth Proportional to 191,194,118,669.32, 263,966,958,450.12 and 121,708,965,589.06
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Solution
The fourth proportional to 191,194,118,669.32, 263,966,958,450.12 and 121,708,965,589.06 is: 168,034,172,213.32
Step by Step Solution
- Step 1: Write the proportion equation
191,194,118,669.32 : 263,966,958,450.12 = 121,708,965,589.06 : x - Step 2: Convert to fraction form
191,194,118,669.32/263,966,958,450.12 = 121,708,965,589.06/x - Step 3: Cross multiply
191,194,118,669.32x = 263,966,958,450.12 × 121,708,965,589.06 - Step 4: Simplify right side
191,194,118,669.32x = 32,127,145,462,654,484,611,072 - Step 5: Solve for x
x = 32,127,145,462,654,484,611,072/191,194,118,669.32 - Step 6: Final answer
x = 168,034,172,213.32
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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.