Finding the Fourth Proportional to 53,292,686.99, 79,980,883.49 and 27,383,941.80
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Solution
The fourth proportional to 53,292,686.99, 79,980,883.49 and 27,383,941.80 is: 41,097,418.47
Step by Step Solution
- Step 1: Write the proportion equation
53,292,686.99 : 79,980,883.49 = 27,383,941.80 : x - Step 2: Convert to fraction form
53,292,686.99/79,980,883.49 = 27,383,941.80/x - Step 3: Cross multiply
53,292,686.99x = 79,980,883.49 × 27,383,941.80 - Step 4: Simplify right side
53,292,686.99x = 2,190,191,858,671,201 - Step 5: Solve for x
x = 2,190,191,858,671,201/53,292,686.99 - Step 6: Final answer
x = 41,097,418.47
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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.