Finding the Fourth Proportional to 168,508,252.10, 252,337,225.35 and 134,496,028.10
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Solution
The fourth proportional to 168,508,252.10, 252,337,225.35 and 134,496,028.10 is: 201,404,703.50
Step by Step Solution
- Step 1: Write the proportion equation
168,508,252.10 : 252,337,225.35 = 134,496,028.10 : x - Step 2: Convert to fraction form
168,508,252.10/252,337,225.35 = 134,496,028.10/x - Step 3: Cross multiply
168,508,252.10x = 252,337,225.35 × 134,496,028.10 - Step 4: Simplify right side
168,508,252.10x = 33,938,354,551,349,632 - Step 5: Solve for x
x = 33,938,354,551,349,632/168,508,252.10 - Step 6: Final answer
x = 201,404,703.50
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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.