Finding the Fourth Proportional to 275,374,116.14, 412,909,905.09 and 189,134,221.10
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Solution
The fourth proportional to 275,374,116.14, 412,909,905.09 and 189,134,221.10 is: 283,597,436.02
Step by Step Solution
- Step 1: Write the proportion equation
275,374,116.14 : 412,909,905.09 = 189,134,221.10 : x - Step 2: Convert to fraction form
275,374,116.14/412,909,905.09 = 189,134,221.10/x - Step 3: Cross multiply
275,374,116.14x = 412,909,905.09 × 189,134,221.10 - Step 4: Simplify right side
275,374,116.14x = 78,095,393,283,672,064 - Step 5: Solve for x
x = 78,095,393,283,672,064/275,374,116.14 - Step 6: Final answer
x = 283,597,436.02
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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.