Finding the Fourth Proportional to 195,476,603.80, 293,214,905.70 and 80,422,907.80
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Solution
The fourth proportional to 195,476,603.80, 293,214,905.70 and 80,422,907.80 is: 120,634,361.70
Step by Step Solution
- Step 1: Write the proportion equation
195,476,603.80 : 293,214,905.70 = 80,422,907.80 : x - Step 2: Convert to fraction form
195,476,603.80/293,214,905.70 = 80,422,907.80/x - Step 3: Cross multiply
195,476,603.80x = 293,214,905.70 × 80,422,907.80 - Step 4: Simplify right side
195,476,603.80x = 23,581,195,326,696,792 - Step 5: Solve for x
x = 23,581,195,326,696,792/195,476,603.80 - Step 6: Final answer
x = 120,634,361.70
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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.