Finding the Fourth Proportional to 75,054,525.06, 103,521,850.05 and 68,879,512.26
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Solution
The fourth proportional to 75,054,525.06, 103,521,850.05 and 68,879,512.26 is: 95,004,725.35
Step by Step Solution
- Step 1: Write the proportion equation
75,054,525.06 : 103,521,850.05 = 68,879,512.26 : x - Step 2: Convert to fraction form
75,054,525.06/103,521,850.05 = 68,879,512.26/x - Step 3: Cross multiply
75,054,525.06x = 103,521,850.05 × 68,879,512.26 - Step 4: Simplify right side
75,054,525.06x = 7,130,534,539,696,857 - Step 5: Solve for x
x = 7,130,534,539,696,857/75,054,525.06 - Step 6: Final answer
x = 95,004,725.35
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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.