Finding the Fourth Proportional to 209,843,414.90, 314,765,122.35 and 73,511,083.70
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Solution
The fourth proportional to 209,843,414.90, 314,765,122.35 and 73,511,083.70 is: 110,266,625.55
Step by Step Solution
- Step 1: Write the proportion equation
209,843,414.90 : 314,765,122.35 = 73,511,083.70 : x - Step 2: Convert to fraction form
209,843,414.90/314,765,122.35 = 73,511,083.70/x - Step 3: Cross multiply
209,843,414.90x = 314,765,122.35 × 73,511,083.70 - Step 4: Simplify right side
209,843,414.90x = 23,138,725,254,911,592 - Step 5: Solve for x
x = 23,138,725,254,911,592/209,843,414.90 - Step 6: Final answer
x = 110,266,625.55
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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.