Finding the Fourth Proportional to 174,965,124.13, 241,459,201.98 and 100,625,735.09
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Solution
The fourth proportional to 174,965,124.13, 241,459,201.98 and 100,625,735.09 is: 138,867,730.44
Step by Step Solution
- Step 1: Write the proportion equation
174,965,124.13 : 241,459,201.98 = 100,625,735.09 : x - Step 2: Convert to fraction form
174,965,124.13/241,459,201.98 = 100,625,735.09/x - Step 3: Cross multiply
174,965,124.13x = 241,459,201.98 × 100,625,735.09 - Step 4: Simplify right side
174,965,124.13x = 24,297,009,693,482,284 - Step 5: Solve for x
x = 24,297,009,693,482,284/174,965,124.13 - Step 6: Final answer
x = 138,867,730.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.