Finding the Fourth Proportional to 80,315,352.23, 110,794,388.36 and 52,454,369.21
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Solution
The fourth proportional to 80,315,352.23, 110,794,388.36 and 52,454,369.21 is: 72,360,384.31
Step by Step Solution
- Step 1: Write the proportion equation
80,315,352.23 : 110,794,388.36 = 52,454,369.21 : x - Step 2: Convert to fraction form
80,315,352.23/110,794,388.36 = 52,454,369.21/x - Step 3: Cross multiply
80,315,352.23x = 110,794,388.36 × 52,454,369.21 - Step 4: Simplify right side
80,315,352.23x = 5,811,649,752,615,323 - Step 5: Solve for x
x = 5,811,649,752,615,323/80,315,352.23 - Step 6: Final answer
x = 72,360,384.31
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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.