Finding the Fourth Proportional to 263,852,101.06, 395,781,198.63 and 79,621,173.34
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Solution
The fourth proportional to 263,852,101.06, 395,781,198.63 and 79,621,173.34 is: 119,432,679.50
Step by Step Solution
- Step 1: Write the proportion equation
263,852,101.06 : 395,781,198.63 = 79,621,173.34 : x - Step 2: Convert to fraction form
263,852,101.06/395,781,198.63 = 79,621,173.34/x - Step 3: Cross multiply
263,852,101.06x = 395,781,198.63 × 79,621,173.34 - Step 4: Simplify right side
263,852,101.06x = 31,512,563,420,832,200 - Step 5: Solve for x
x = 31,512,563,420,832,200/263,852,101.06 - Step 6: Final answer
x = 119,432,679.50
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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.