Finding the Fourth Proportional to 80,024,177.18, 110,431,924.97 and 45,216,120.29
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Solution
The fourth proportional to 80,024,177.18, 110,431,924.97 and 45,216,120.29 is: 62,397,432.61
Step by Step Solution
- Step 1: Write the proportion equation
80,024,177.18 : 110,431,924.97 = 45,216,120.29 : x - Step 2: Convert to fraction form
80,024,177.18/110,431,924.97 = 45,216,120.29/x - Step 3: Cross multiply
80,024,177.18x = 110,431,924.97 × 45,216,120.29 - Step 4: Simplify right side
80,024,177.18x = 4,993,303,202,521,534 - Step 5: Solve for x
x = 4,993,303,202,521,534/80,024,177.18 - Step 6: Final answer
x = 62,397,432.61
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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.