Finding the Fourth Proportional to 53,467,497.70, 80,201,246.55 and 19,389,955.30
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Solution
The fourth proportional to 53,467,497.70, 80,201,246.55 and 19,389,955.30 is: 29,084,932.95
Step by Step Solution
- Step 1: Write the proportion equation
53,467,497.70 : 80,201,246.55 = 19,389,955.30 : x - Step 2: Convert to fraction form
53,467,497.70/80,201,246.55 = 19,389,955.30/x - Step 3: Cross multiply
53,467,497.70x = 80,201,246.55 × 19,389,955.30 - Step 4: Simplify right side
53,467,497.70x = 1,555,098,585,608,779.25 - Step 5: Solve for x
x = 1,555,098,585,608,779.25/53,467,497.70 - Step 6: Final answer
x = 29,084,932.95
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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.