Finding the Fourth Proportional to 165,117,738.36, 227,862,624.76 and 90,779,563.64
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Solution
The fourth proportional to 165,117,738.36, 227,862,624.76 and 90,779,563.64 is: 125,275,877.99
Step by Step Solution
- Step 1: Write the proportion equation
165,117,738.36 : 227,862,624.76 = 90,779,563.64 : x - Step 2: Convert to fraction form
165,117,738.36/227,862,624.76 = 90,779,563.64/x - Step 3: Cross multiply
165,117,738.36x = 227,862,624.76 × 90,779,563.64 - Step 4: Simplify right side
165,117,738.36x = 20,685,269,645,577,860 - Step 5: Solve for x
x = 20,685,269,645,577,860/165,117,738.36 - Step 6: Final answer
x = 125,275,877.99
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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.