Finding the Fourth Proportional to 42,203,204.22, 58,239,170.91 and 23,365,625.70
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Solution
The fourth proportional to 42,203,204.22, 58,239,170.91 and 23,365,625.70 is: 32,243,870.90
Step by Step Solution
- Step 1: Write the proportion equation
42,203,204.22 : 58,239,170.91 = 23,365,625.70 : x - Step 2: Convert to fraction form
42,203,204.22/58,239,170.91 = 23,365,625.70/x - Step 3: Cross multiply
42,203,204.22x = 58,239,170.91 × 23,365,625.70 - Step 4: Simplify right side
42,203,204.22x = 1,360,794,668,561,388.25 - Step 5: Solve for x
x = 1,360,794,668,561,388.25/42,203,204.22 - Step 6: Final answer
x = 32,243,870.90
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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.