Finding the Fourth Proportional to 175,507,135.80, 263,260,703.70 and 89,413,693.80
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Solution
The fourth proportional to 175,507,135.80, 263,260,703.70 and 89,413,693.80 is: 134,120,540.70
Step by Step Solution
- Step 1: Write the proportion equation
175,507,135.80 : 263,260,703.70 = 89,413,693.80 : x - Step 2: Convert to fraction form
175,507,135.80/263,260,703.70 = 89,413,693.80/x - Step 3: Cross multiply
175,507,135.80x = 263,260,703.70 × 89,413,693.80 - Step 4: Simplify right side
175,507,135.80x = 23,539,111,950,204,324 - Step 5: Solve for x
x = 23,539,111,950,204,324/175,507,135.80 - Step 6: Final answer
x = 134,120,540.70
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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.