Finding the Fourth Proportional to 53,649,474.20, 80,474,211.30 and 19,571,931.80
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Solution
The fourth proportional to 53,649,474.20, 80,474,211.30 and 19,571,931.80 is: 29,357,897.70
Step by Step Solution
- Step 1: Write the proportion equation
53,649,474.20 : 80,474,211.30 = 19,571,931.80 : x - Step 2: Convert to fraction form
53,649,474.20/80,474,211.30 = 19,571,931.80/x - Step 3: Cross multiply
53,649,474.20x = 80,474,211.30 × 19,571,931.80 - Step 4: Simplify right side
53,649,474.20x = 1,575,035,775,222,389.25 - Step 5: Solve for x
x = 1,575,035,775,222,389.25/53,649,474.20 - Step 6: Final answer
x = 29,357,897.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.