Finding the Fourth Proportional to 174,960,585.20, 262,440,877.80 and 129,610,953.20
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Solution
The fourth proportional to 174,960,585.20, 262,440,877.80 and 129,610,953.20 is: 194,416,429.80
Step by Step Solution
- Step 1: Write the proportion equation
174,960,585.20 : 262,440,877.80 = 129,610,953.20 : x - Step 2: Convert to fraction form
174,960,585.20/262,440,877.80 = 129,610,953.20/x - Step 3: Cross multiply
174,960,585.20x = 262,440,877.80 × 129,610,953.20 - Step 4: Simplify right side
174,960,585.20x = 34,015,212,330,302,720 - Step 5: Solve for x
x = 34,015,212,330,302,720/174,960,585.20 - Step 6: Final answer
x = 194,416,429.80
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1.5x scale
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.