Finding the Fourth Proportional to 191,194,118,668.32, 263,966,958,448.74 and 121,708,965,588.06
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Solution
The fourth proportional to 191,194,118,668.32, 263,966,958,448.74 and 121,708,965,588.06 is: 168,034,172,211.94
Step by Step Solution
- Step 1: Write the proportion equation
191,194,118,668.32 : 263,966,958,448.74 = 121,708,965,588.06 : x - Step 2: Convert to fraction form
191,194,118,668.32/263,966,958,448.74 = 121,708,965,588.06/x - Step 3: Cross multiply
191,194,118,668.32x = 263,966,958,448.74 × 121,708,965,588.06 - Step 4: Simplify right side
191,194,118,668.32x = 32,127,145,462,222,559,379,456 - Step 5: Solve for x
x = 32,127,145,462,222,559,379,456/191,194,118,668.32 - Step 6: Final answer
x = 168,034,172,211.94
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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.