Finding the Fourth Proportional to 133,075,324.70, 199,612,987.05 and 131,283,734.30
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Solution
The fourth proportional to 133,075,324.70, 199,612,987.05 and 131,283,734.30 is: 196,925,601.45
Step by Step Solution
- Step 1: Write the proportion equation
133,075,324.70 : 199,612,987.05 = 131,283,734.30 : x - Step 2: Convert to fraction form
133,075,324.70/199,612,987.05 = 131,283,734.30/x - Step 3: Cross multiply
133,075,324.70x = 199,612,987.05 × 131,283,734.30 - Step 4: Simplify right side
133,075,324.70x = 26,205,938,354,701,540 - Step 5: Solve for x
x = 26,205,938,354,701,540/133,075,324.70 - Step 6: Final answer
x = 196,925,601.45
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1.5x scale
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.