Finding the Fourth Proportional to 213,405,263.99, 294,336,779.28 and 183,686,492.78
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Solution
The fourth proportional to 213,405,263.99, 294,336,779.28 and 183,686,492.78 is: 253,347,502.64
Step by Step Solution
- Step 1: Write the proportion equation
213,405,263.99 : 294,336,779.28 = 183,686,492.78 : x - Step 2: Convert to fraction form
213,405,263.99/294,336,779.28 = 183,686,492.78/x - Step 3: Cross multiply
213,405,263.99x = 294,336,779.28 × 183,686,492.78 - Step 4: Simplify right side
213,405,263.99x = 54,065,690,682,104,168 - Step 5: Solve for x
x = 54,065,690,682,104,168/213,405,263.99 - Step 6: Final answer
x = 253,347,502.64
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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.