Finding the Fourth Proportional to 53,221,293.38, 73,445,247.73 and 29,699,579.40
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Solution
The fourth proportional to 53,221,293.38, 73,445,247.73 and 29,699,579.40 is: 40,985,343.04
Step by Step Solution
- Step 1: Write the proportion equation
53,221,293.38 : 73,445,247.73 = 29,699,579.40 : x - Step 2: Convert to fraction form
53,221,293.38/73,445,247.73 = 29,699,579.40/x - Step 3: Cross multiply
53,221,293.38x = 73,445,247.73 × 29,699,579.40 - Step 4: Simplify right side
53,221,293.38x = 2,181,292,966,435,556 - Step 5: Solve for x
x = 2,181,292,966,435,556/53,221,293.38 - Step 6: Final answer
x = 40,985,343.04
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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.