Finding the Fourth Proportional to 172,604,167.20, 258,906,250.80 and 44,953,351.20
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Solution
The fourth proportional to 172,604,167.20, 258,906,250.80 and 44,953,351.20 is: 67,430,026.80
Step by Step Solution
- Step 1: Write the proportion equation
172,604,167.20 : 258,906,250.80 = 44,953,351.20 : x - Step 2: Convert to fraction form
172,604,167.20/258,906,250.80 = 44,953,351.20/x - Step 3: Cross multiply
172,604,167.20x = 258,906,250.80 × 44,953,351.20 - Step 4: Simplify right side
172,604,167.20x = 11,638,703,620,087,682 - Step 5: Solve for x
x = 11,638,703,620,087,682/172,604,167.20 - Step 6: Final answer
x = 67,430,026.80
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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.